diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6532b98a10f6a72ea3373b7d5e65893a29283f2e..148967d59ae522f1e87cd523add3732a1cb6a9f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,17 +1,20 @@
-## 2023-05-12
+## 2023-11-30
+
+Documentation of all updates [>> Wiki](wiki/doc/UnitSystem.md)
 
 * Added feature si:quantityTypeQUDT (identification of kinds of quantities)
 * Extended and improved structures for representation of measurement uncertainties
 * Added feature si:standardMU (standard measurement uncertainty)
 * Added feature NaN values (placeholders)
 * Added unit operator /per 
+* Added XML list representation for complex quantity values
 * Improved documentation of k value and distribution usage
 * Added feature si:significantDigit
 * Cleaned up XSD
+* New list of all unit identifiers [>> units list](wiki/doc/UnitSystem.md)
 
-* Update of Wiki with page providing all unit identifiers [>> units Wiki](wiki/doc/UnitSystem.md)
 
 ## 2022-11-30
 
 * Update of units representation system with new SI prefixes and dimension one units
-* Update of Wiki with page providing all unit identifiers [>> units Wiki](wiki/doc/UnitSystem.md)
+* Update of Wiki with page providing all unit identifiers 
diff --git a/README.md b/README.md
index c70c0ba316eebe48e8fc12b57a3cff97dd010291..aba882b7081ea0e9a52c0d39411bc497bbec003c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <div align="center">
   <a href="https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si" traget="_blank"><img src="wiki/doc/D-SI1.PNG" alt="D-SI Logo" width="500"/></a>
   <br />
-  XSD Version 2.1.0
+  XSD Version 2.2.0
   <br /><br />
 
 </div>
@@ -40,13 +40,13 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 
 
 
-## Access to D-SI XSD version 2.1.0
+## Access to D-SI XSD version 2.2.0
 
-* D-SI XSD version 2.1.0 @ [https://www.ptb.de/si/v2.0.0/SI_Format.xsd](https://www.ptb.de/si/v2.1.0/SI_Format.xsd)
+* D-SI XSD version 2.2.0 @ [https://www.ptb.de/si/v2.2.0/SI_Format.xsd](https://www.ptb.de/si/v2.2.0/SI_Format.xsd)
 
 * Latest D-SI XSD version @ [https://www.ptb.de/si/SI_Format.xsd](https://www.ptb.de/si/SI_Format.xsd)
 
-* XSD for D-SI example files [https://www.ptb.de/si/v2.0.0/examples/SI_Format_TestData.xsd](https://www.ptb.de/si/v2.1.0/examples/SI_Format_TestData.xsd)
+* XSD for D-SI example files [https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd](https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd)
 
 
 ## Development
diff --git a/SI_Format.xsd b/SI_Format.xsd
index 7f563bf0a05f2da22b396c8a85b1b543c3f5230e..25599b650abe3fbf6f94f175aa7621929f720489 100644
--- a/SI_Format.xsd
+++ b/SI_Format.xsd
@@ -24,8 +24,8 @@
             
             CONTACT:            daniel.hutzschenreuter@ptb.de
             DEVELOPMENT:        https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
-            D-SI XSD VERSION:   2.2.0-beta
-            RELEASE DATA:       2023-MM-DD      
+            D-SI XSD VERSION:   2.2.0
+            RELEASE DATA:       2023-11-30      
             DOI:                10.5281/zenodo.3366901      
         </xs:documentation>
         <xs:documentation xml:lang="en">
@@ -34,13 +34,13 @@
             This project (17IND02) has received funding from the EMPIR programme, co-financed by the Participating States and 
             from the European Union's Horizon 2020 research and innovation programme.
             Further development was supported by project GEMIMEG II and PTB.
-            Finlly, thanks to all developpers from PTB and our partners around the world for fruitful exchange on requirements
+            Finally, thanks to all developpers from PTB and our partners around the world for fruitful exchange on requirements
             and updates.
         </xs:documentation>
     </xs:annotation>
     
 	<!-- Importing used namespaces, TODO: change from local to web schema location before release -->
-    <xs:import namespace="http://qudt.org/vocab/" schemaLocation="qudt/quantityKind.xsd"/>
+    <xs:import namespace="http://qudt.org/vocab/" schemaLocation="https://www.ptb.de/si/v2.2.0/qudt/quantitykind.xsd"/>
     
       
 
@@ -1094,7 +1094,7 @@
 		</xs:annotation>
 	</xs:element>
 	
-    <xs:element name="quantityTypeQUDT" substitutionGroup="si:quantityType" type="qudt:quantityKind">
+    <xs:element name="quantityTypeQUDT" substitutionGroup="si:quantityType" type="qudt:quantitykind">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
                 Definition of a quantity element that links to the QUDT 
@@ -1388,8 +1388,10 @@
     <xs:simpleType name="significantDigitType">
         <xs:annotation>
             <xs:documentation xml:lang="en">
-                Type providing number of significant digitis 
-                with separation by blank spaces.
+                Type providing information on the significat digit of si:value.
+                This integer number represents the exponent of a power of 10
+                which identifies the ISO 80000 rounding range of the significant
+                digit.                . 
             </xs:documentation>
         </xs:annotation>
         <xs:restriction base="xs:integer"/>
@@ -1399,8 +1401,8 @@
     <xs:simpleType name="significantDigitXMLListType">
         <xs:annotation>
             <xs:documentation xml:lang="en">
-                Type providing number of significant digitis 
-                with separation by blank spaces.
+                Type for identification of significant digiti for XML list style elements. 
+                The significant digit numbers are seperated by blank spaces.
             </xs:documentation>
         </xs:annotation>
         <xs:list itemType="si:significantDigitType"/>
diff --git a/examples/GOLD/2020-03-20-UM-GOLD-examples.xml b/examples/GOLD/2020-03-20-UM-GOLD-examples.xml
index 39b343e4dfa01e80c1bba7d6049d6a5d234ed75c..9e9895ad8ef25310e4cfd0c1b257adad6219b466 100644
--- a/examples/GOLD/2020-03-20-UM-GOLD-examples.xml
+++ b/examples/GOLD/2020-03-20-UM-GOLD-examples.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 University of Maribour (UM), all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors: 			Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 
 	<siTest:testData id="UM4">
diff --git a/examples/GOLD/2022-05-23-GOLD-examples.xml b/examples/GOLD/2022-05-23-GOLD-examples.xml
index 7ca98e07a60bf8b2bcbf9cd96c3bd63f3ccd916a..d59338287eaf29b927c08b9518d0feb5f154038d 100644
--- a/examples/GOLD/2022-05-23-GOLD-examples.xml
+++ b/examples/GOLD/2022-05-23-GOLD-examples.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/GOLD/PTB-GOLD-examples-2.xml b/examples/GOLD/PTB-GOLD-examples-2.xml
index 65dab8844bdc2848a631aa5c196c1051b1a7d2d7..e05c33336b4d6fe74ddf4a810ad6c0ec48d66c6b 100644
--- a/examples/GOLD/PTB-GOLD-examples-2.xml
+++ b/examples/GOLD/PTB-GOLD-examples-2.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	
diff --git a/examples/GOLD/PTB-GOLD-examples.xml b/examples/GOLD/PTB-GOLD-examples.xml
index a1f3ea1f0b44d23c3f603567c09e512bfb0f910b..16bcdf0ce8a763d519279230bcba94397fcd5645 100644
--- a/examples/GOLD/PTB-GOLD-examples.xml
+++ b/examples/GOLD/PTB-GOLD-examples.xml
@@ -6,12 +6,12 @@
 	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class GOLD (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB7">
diff --git a/examples/IMPROVABLE/2020-03-20-UM-IMPROVABLE-examples.xml b/examples/IMPROVABLE/2020-03-20-UM-IMPROVABLE-examples.xml
index f9bff5268989f186fe226eada750c6df983d73d4..d02692754729231efc6956982703c0c6963241bf 100644
--- a/examples/IMPROVABLE/2020-03-20-UM-IMPROVABLE-examples.xml
+++ b/examples/IMPROVABLE/2020-03-20-UM-IMPROVABLE-examples.xml
@@ -3,15 +3,17 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
+		Errors 15
+		
 		Copyright (c) 2019 - 2021 University of Maribour (UM), all rights reserved. 
 			
 		Authors: Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
-		D-SI XSD VERSION:	2.1.0
-		RELEASE DATA:		2022-01-21		
+		D-SI XSD VERSION:	2.2.0
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +29,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="UM2">
diff --git a/examples/IMPROVABLE/2021-11-23-IMPROVABLE-examples-xmllists.xml b/examples/IMPROVABLE/2021-11-23-IMPROVABLE-examples-xmllists.xml
index 04731d3a159ffa3227fb2c2c6de0abf06d016e04..bd777f7b704f69d5648779e5c7eb33b4b727b9c8 100644
--- a/examples/IMPROVABLE/2021-11-23-IMPROVABLE-examples-xmllists.xml
+++ b/examples/IMPROVABLE/2021-11-23-IMPROVABLE-examples-xmllists.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -28,7 +28,7 @@
       -->
     
     <siTest:metaData>
-        <siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0-RC1)</siTest:testDescription>
+        <siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
     </siTest:metaData>
 
     <siTest:testData id="PTB638">
diff --git a/examples/IMPROVABLE/2022-05-23-IMPROVABLE-examples.xml b/examples/IMPROVABLE/2022-05-23-IMPROVABLE-examples.xml
index ffc5523c5da82b5fd126c3b94b3bb34c94f63f13..a8fce38c5047fb45bbd719bf32b9a4e265aa1715 100644
--- a/examples/IMPROVABLE/2022-05-23-IMPROVABLE-examples.xml
+++ b/examples/IMPROVABLE/2022-05-23-IMPROVABLE-examples.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -28,7 +28,7 @@
       -->
     
     <siTest:metaData>
-        <siTest:testDescription>XML examples including quantity type for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0-RC1)</siTest:testDescription>
+        <siTest:testDescription>XML examples including quantity type for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
     </siTest:metaData>
 
     <siTest:testData id="PTB702">
diff --git a/examples/IMPROVABLE/PTB-IMPROVABLE-examples-2.xml b/examples/IMPROVABLE/PTB-IMPROVABLE-examples-2.xml
index b8044fd6daf11485fcbd1f0fb5c40e4603fcccb9..2faf32ec6bb0ec0efc2e52f286b079cf5fada74d 100644
--- a/examples/IMPROVABLE/PTB-IMPROVABLE-examples-2.xml
+++ b/examples/IMPROVABLE/PTB-IMPROVABLE-examples-2.xml
@@ -3,15 +3,17 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
+		Errors 45
+		
 		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +29,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB502">
diff --git a/examples/IMPROVABLE/PTB-IMPROVABLE-examples.xml b/examples/IMPROVABLE/PTB-IMPROVABLE-examples.xml
index e1789151f741d8be7bc95d3e7f18254485cdb93f..1512a14a618eebcd715eed7f1aac5e49b0a45e5c 100644
--- a/examples/IMPROVABLE/PTB-IMPROVABLE-examples.xml
+++ b/examples/IMPROVABLE/PTB-IMPROVABLE-examples.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB17">
diff --git a/examples/IMPROVABLE/improvable-test.xml b/examples/IMPROVABLE/improvable-test.xml
index f33c3fa4bc349191176379350d15e26d552d3516..00d0c056ea98c19c24042e721fe28b143208fbd8 100644
--- a/examples/IMPROVABLE/improvable-test.xml
+++ b/examples/IMPROVABLE/improvable-test.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 Ostfalia HAW, all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors:			Bernd Müller, Lukas Heindorf
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class IMPROVABLE (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="IMPROVABLE-TEST-1">
diff --git a/examples/NOT PASSED/UM58-D-SI-example.xml b/examples/NOT PASSED/UM58-D-SI-example.xml
index 00c451f95dcf46b9c437d1600f1fa9a85c966af1..cc1ea6df3b0901bc7b3811299893ff11659db756 100644
--- a/examples/NOT PASSED/UM58-D-SI-example.xml	
+++ b/examples/NOT PASSED/UM58-D-SI-example.xml	
@@ -4,7 +4,7 @@
 		Authors: 			Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/NOT PASSED/UM59-D-SI-example.xml b/examples/NOT PASSED/UM59-D-SI-example.xml
index a86ea64f0bb32aa4b0c4a9f02af0ffe5d6d44b6b..6abd4dd55a3e39173d919150327a105304edb12b 100644
--- a/examples/NOT PASSED/UM59-D-SI-example.xml	
+++ b/examples/NOT PASSED/UM59-D-SI-example.xml	
@@ -4,7 +4,7 @@
 		Authors: 			Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/NOT PASSED/UM60-D-SI-example.xml b/examples/NOT PASSED/UM60-D-SI-example.xml
index d5b26f13244ca89daa81928fb49c9e5aa9f03c14..cb37d522e7f71cd1edd8d720e44499f35273e329 100644
--- a/examples/NOT PASSED/UM60-D-SI-example.xml	
+++ b/examples/NOT PASSED/UM60-D-SI-example.xml	
@@ -4,7 +4,7 @@
 		Authors: 			Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/PLATINUM/2020-03-20-UM-PLATINUM-examples.xml b/examples/PLATINUM/2020-03-20-UM-PLATINUM-examples.xml
index 82e66f290d8844263cb8bc939aae564fb134b11c..2c4c5a9bcd86375467b239d18f6819cd5d84470a 100644
--- a/examples/PLATINUM/2020-03-20-UM-PLATINUM-examples.xml
+++ b/examples/PLATINUM/2020-03-20-UM-PLATINUM-examples.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 University of Maribour (UM), all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors: 			Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="UM1">
diff --git a/examples/PLATINUM/2021-10-26-PLATINUM-examples-xmllists.xml b/examples/PLATINUM/2021-10-26-PLATINUM-examples-xmllists.xml
index 240e1a8471cf6688fd59b02e1c98739ad09e7aa1..92fba5318cbc7702d91a079347eb8f49e014cf98 100644
--- a/examples/PLATINUM/2021-10-26-PLATINUM-examples-xmllists.xml
+++ b/examples/PLATINUM/2021-10-26-PLATINUM-examples-xmllists.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/PLATINUM/2022-05-23-PLATINUM-examples.xml b/examples/PLATINUM/2022-05-23-PLATINUM-examples.xml
index 2293de65d63b1d5669675ad37b02c6afa43b2b06..ebbe67d696ed1d0b9727f6c2855028330c36673c 100644
--- a/examples/PLATINUM/2022-05-23-PLATINUM-examples.xml
+++ b/examples/PLATINUM/2022-05-23-PLATINUM-examples.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-10-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/PLATINUM/2023-03-31-PLATINUM-examples-1.xml b/examples/PLATINUM/2023-03-31-PLATINUM-examples-1.xml
index e5b2e99ca4ef730eab16c2b18f1c311bc1b6a250..9e2f5746f28d26a6e8433412dba1f13dea32fd1d 100644
--- a/examples/PLATINUM/2023-03-31-PLATINUM-examples-1.xml
+++ b/examples/PLATINUM/2023-03-31-PLATINUM-examples-1.xml
@@ -2,17 +2,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd
-		
 		Copyright (c) 2018-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Wafa El Jaoua, Daniel Hutzschenreuter & autors of predecessor versions
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/PLATINUM/PTB-PLATINUM-examples-2.xml b/examples/PLATINUM/PTB-PLATINUM-examples-2.xml
index 42376beb94f56e1885599913ef5e84365a237937..30588ca14194d41016c5ff58477242bdb306def4 100644
--- a/examples/PLATINUM/PTB-PLATINUM-examples-2.xml
+++ b/examples/PLATINUM/PTB-PLATINUM-examples-2.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	
diff --git a/examples/PLATINUM/PTB-PLATINUM-examples.xml b/examples/PLATINUM/PTB-PLATINUM-examples.xml
index 0e7354ac79a5793825377569dc654019bc81fad1..2288451d4a4a598cdc46ad98d43dcc0684d6de47 100644
--- a/examples/PLATINUM/PTB-PLATINUM-examples.xml
+++ b/examples/PLATINUM/PTB-PLATINUM-examples.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901	10.5281/zenodo.4709001
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB1">
diff --git a/examples/PLATINUM/platinum-test.xml b/examples/PLATINUM/platinum-test.xml
index 4531757d7b8e2dacf54973819e0ed047e42a1a4c..d3b568ab92b1cfa7b63c006a7b730a9338c718a1 100644
--- a/examples/PLATINUM/platinum-test.xml
+++ b/examples/PLATINUM/platinum-test.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 Ostfalia HAW, all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors:	Bernd Müller, Lukas Heindorf
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class PLATINUM (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PLATINUM-TEST-1">
diff --git a/examples/SI-Accelaration-examples.xml b/examples/SI-Accelaration-examples.xml
index 294cdfc7468021a47bf316d9b0650fc1458b208b..0960ca04578c8ce7023ed1773e8fa0616eb88798 100644
--- a/examples/SI-Accelaration-examples.xml
+++ b/examples/SI-Accelaration-examples.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.1.0/examples/SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 	
 	<!--
 		Copyright (c) 2019 - 2021 Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
-		D-SI XSD VERSION:	2.1.0
-		RELEASE DATA:		2022-01-21		
+		D-SI XSD VERSION:	2.2.0
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
diff --git a/examples/SILVER/2020-03-20-UM-SILVER-examples.xml b/examples/SILVER/2020-03-20-UM-SILVER-examples.xml
index a541c01ad58aaeb7d3717812cfc6cb89ac646900..acbb97548fd35c45a8bd651ce921f61f90d1deb6 100644
--- a/examples/SILVER/2020-03-20-UM-SILVER-examples.xml
+++ b/examples/SILVER/2020-03-20-UM-SILVER-examples.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 University of Maribour (UM), all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors: Bojan Acko, Rok Klobucar
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="UM3">
diff --git a/examples/SILVER/2021-11-22-SILVER-examples-xmllists.xml b/examples/SILVER/2021-11-22-SILVER-examples-xmllists.xml
index 0fbe698fafddb592a8b0233e433c893bf94b01ff..ddcbab42a9729da6b125c201896674e0532050e1 100644
--- a/examples/SILVER/2021-11-22-SILVER-examples-xmllists.xml
+++ b/examples/SILVER/2021-11-22-SILVER-examples-xmllists.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -28,7 +28,7 @@
       -->
     
     <siTest:metaData>
-        <siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0-RC1)</siTest:testDescription>
+        <siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
     </siTest:metaData>
     
     <siTest:testData id="PTB648">
diff --git a/examples/SILVER/2022-05-23-SILVER-examples.xml b/examples/SILVER/2022-05-23-SILVER-examples.xml
index b418aa22f17357c50f461f03e01cb8774bf97529..118b90fb225d4e399b0c60fe79e5ad6919578eaa 100644
--- a/examples/SILVER/2022-05-23-SILVER-examples.xml
+++ b/examples/SILVER/2022-05-23-SILVER-examples.xml
@@ -4,15 +4,15 @@
     xmlns:siTest="https://ptb.de/si/examples"
     xmlns:si="https://ptb.de/si"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+    xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
     
     <!--
-		Copyright (c) 2022  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2022-2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		AUTHORS: 			Justin Jagieniak, Benjamin Glogeer
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -28,7 +28,7 @@
       -->
     
     <siTest:metaData>
-        <siTest:testDescription>XML examples including quantity type for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0-RC1)</siTest:testDescription>
+        <siTest:testDescription>XML examples including quantity type for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
     </siTest:metaData>
     
    <siTest:testData id="PTB704">
diff --git a/examples/SILVER/PTB-SILVER-examples-2.xml b/examples/SILVER/PTB-SILVER-examples-2.xml
index bde3a8d2416cad40233eebec976f3e13700cfd62..ff63e2ba5ff50b063b42482c37a630b510be60b5 100644
--- a/examples/SILVER/PTB-SILVER-examples-2.xml
+++ b/examples/SILVER/PTB-SILVER-examples-2.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
@@ -11,7 +11,7 @@
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB533">
diff --git a/examples/SILVER/PTB-SILVER-examples.xml b/examples/SILVER/PTB-SILVER-examples.xml
index dfc296bfa8951619f38151d912988f40d235c5d4..5181b1783f68bbfe457839cf6d601b07537bf80c 100644
--- a/examples/SILVER/PTB-SILVER-examples.xml
+++ b/examples/SILVER/PTB-SILVER-examples.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
-		Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
+		Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved.  
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="PTB13">
diff --git a/examples/SILVER/silver-test.xml b/examples/SILVER/silver-test.xml
index 380eea353d964e00057fbc0eff5655fec32adadc..8f794d5608b05ff6f6afa6a235bb217c2c17fe56 100644
--- a/examples/SILVER/silver-test.xml
+++ b/examples/SILVER/silver-test.xml
@@ -3,7 +3,7 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples ../SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 
 	<!--
 		Copyright (c) 2019 - 2021 Ostfalia HAW, all rights reserved. 
@@ -11,7 +11,7 @@
 		Authors:			Bernd Müller, Lukas Heindorf
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
 		D-SI XSD VERSION:	2.2.0
-		RELEASE DATA:		2023-MM-DD		
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 
 	<siTest:metaData>
-		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.1.0)</siTest:testDescription>
+		<siTest:testDescription>XML examples for SmartCom D-SI data with quality class SILVER (D-SI XSD version 2.2.0)</siTest:testDescription>
 	</siTest:metaData>
 	
 	<siTest:testData id="SILVER-TEST-1">
diff --git a/examples/SI_Format_TestData.xsd b/examples/SI_Format_TestData.xsd
index 9fe27bf09161c78cc28ff520210120087e038c1f..bfbdeca5d8aa405e1decffcd5517029033e4dd8d 100644
--- a/examples/SI_Format_TestData.xsd
+++ b/examples/SI_Format_TestData.xsd
@@ -5,15 +5,13 @@
 	xmlns:si="https://ptb.de/si"
 	elementFormDefault="qualified" >
 	
-	<xs:import namespace="https://ptb.de/si" schemaLocation="../SI_Format.xsd"/>
+	<xs:import namespace="https://ptb.de/si" schemaLocation="https://www.ptb.de/si/v2.2.0/SI_Format.xsd"/>
 	
 	<xs:annotation>
 		<xs:documentation xml:lang="en">
-			
-			https://www.ptb.de/si/v2.1.0/SI_Format.xsd
-			
+						
 			D-SI test data XSD
-			Copyright (c) 2019 - 2021  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
+			Copyright (c) 2019 - 2023  Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
 				
 			This XML Scheme Definition (XSD) is free software: you can redistribute it and/or modify
    			it under the terms of the GNU Lesser General Public License as published by
@@ -26,8 +24,8 @@
 
 			CONTACT: 			smartcom@ptb.de
 			DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
-			D-SI XSD VERSION:	2.1.0
-			RELEASE DATA:		2022-01-21		
+			D-SI XSD VERSION:	2.2.0
+			RELEASE DATA:		2023-11-30		
 			DOI:				10.5281/zenodo.3366901
 
     		You should have received a copy of the GNU Lesser General Public License
diff --git a/examples/SmartCom_A1.2.3_examples.xml b/examples/SmartCom_A1.2.3_examples.xml
index 22e683bcc209957999290ab4f838dbaee8128a35..cc13ee636e4675f8a0f077f55582fcdbb43c32a5 100644
--- a/examples/SmartCom_A1.2.3_examples.xml
+++ b/examples/SmartCom_A1.2.3_examples.xml
@@ -3,15 +3,15 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.1.0/examples/SI_Format_TestData.xsd">
+	xsi:schemaLocation="https://ptb.de/si/examples https://www.ptb.de/si/v2.2.0/examples/SI_Format_TestData.xsd">
 	
 	<!--
-		Copyright (c) 2019 - 2021 Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
+		Copyright (c) 2019 - 2023 Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
 			
 		CONTACT: 			smartcom@ptb.de
 		DEVELOPMENT:		https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
-		D-SI XSD VERSION:	2.1.0
-		RELEASE DATA:		2022-01-21		
+		D-SI XSD VERSION:	22.0
+		RELEASE DATA:		2023-11-30		
 		DOI:				10.5281/zenodo.3366901
 
 		This XML file is free data: you can redistribute it and/or modify
@@ -27,7 +27,7 @@
       -->
 		
 	<siTest:metaData>
-		<siTest:testDescription>Update XML examples for SmartCom D-SI XML format version 2.1.0.</siTest:testDescription>
+		<siTest:testDescription>Update XML examples for SmartCom D-SI XML format version 2.2.0.</siTest:testDescription>
 	</siTest:metaData>
 	
 	
diff --git a/qudt/quantityKind.xsd b/qudt/quantityKind.xsd
deleted file mode 100644
index 37b8416cd8be4891a0952df1286d999bd0d3e3e0..0000000000000000000000000000000000000000
--- a/qudt/quantityKind.xsd
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xs:schema version="1.0.0" xmlns:xs="http://www.w3.org/2001/XMLSchema"
-    targetNamespace="http://qudt.org/vocab/"
-    xmlns:qudt="http://qudt.org/vocab/"
-    elementFormDefault="qualified">
-
-  <xs:simpleType name="quantityKind">
-    <xs:restriction base="xs:string"/>
-  </xs:simpleType>
-
-</xs:schema>
diff --git a/qudt/quantitykind.xsd b/qudt/quantitykind.xsd
new file mode 100644
index 0000000000000000000000000000000000000000..0eefc5f504ecc77407d69fc4f91b2e65b802f085
--- /dev/null
+++ b/qudt/quantitykind.xsd
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema version="1.0.0" xmlns:xs="http://www.w3.org/2001/XMLSchema"
+    targetNamespace="http://qudt.org/vocab/"
+    xmlns:qudt="http://qudt.org/vocab/"
+    elementFormDefault="qualified">
+    
+    <xs:annotation>
+        <xs:documentation xml:lang="en">
+            D-SI - Digital System of Units
+            Copyright (c) 2018 - 2023 Physikalisch-Technische Bundesanstalt (PTB), all rights reserved. 
+            
+            This XML Scheme Definition (XSD) is free software: you can redistribute it and/or modify
+            it under the terms of the GNU Lesser General Public License as published by
+            the Free Software Foundation, version 3 of the License.
+            
+            This XSD is distributed in the hope that it will be useful,
+            but WITHOUT ANY WARRANTY; without even the implied warranty of
+            MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+            GNU Lesser General Public License for more details.
+            
+            You should have received a copy of the GNU Lesser General Public License
+            along with this XSD.  If not, see http://www.gnu.org/licenses.
+            
+            CONTACT:            daniel.hutzschenreuter@ptb.de
+            DEVELOPMENT:        https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si
+            D-SI XSD VERSION:   2.2.0
+            RELEASE DATA:       2023-11-30      
+            DOI:                10.5281/zenodo.3366901      
+        </xs:documentation>
+        <xs:documentation xml:lang="en">
+            ACKNOWLEDGEMENT:
+            This schema was developped to link QUDT type entities to the D-SI XML implementation.
+            Please, visit qudt.org for information about the QUDT web ontology.
+            To access the QUDT entries for quantity kinds from the XML, you can use the following PIDs:
+            a) https://qudt.org/vocab/quantitykind/Length --> web page
+            b) https://qudt.org/vocab/quantitykind/Length.ttl --> machine-readable TURTLE data
+        </xs:documentation>
+    </xs:annotation>
+
+  <xs:simpleType name="quantitykind">
+    <xs:restriction base="xs:string"/>
+  </xs:simpleType>
+
+</xs:schema>