diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00ce19eeec62741fcb717b14a447e284bc570980
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,12 @@
+###############################################################################
+# Copyright (c) 2019 - Consortium of the joint research EMPIR project 17IND02 #
+# (title: SmartCom) and Physikalisch-Technische Bundesanstalt (PTB), alle     #
+# Rechte vorbehalten - all rights reserved. 								     #
+#								     #
+# Contact: smartcom@ptb.de							         #
+###############################################################################
+
+ The XML scheme "SI_Format.xsd" version 1.3.0 (DOI: 10.5281/zenodo.3366902) is
+ provided attributed to the CC-BY-ND 4.0 license. Please, refer to 
+ https://creativecommons.org/licenses/by-nd/4.0/legalcode 
+ for the full license.
\ No newline at end of file
diff --git a/README.md b/README.md
index 74dc88f9bb92a1d659d040d4cb18cb4eecec47ce..b2c67eb3532e51bf76ac75df78fc595cb7258692 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,22 @@
+# Publication note
+
+Version 1.3.0 of the D-SI reference implementation in XML is published at
+
+[Zenodo Repository DOI 10.5281/zenodo.3366902](https://zenodo.org/record/3366902#.XabORWbgpaQ)
+
+The machine-readable version of SI_Format.xsd is available at
+
+[Digital-SI (D-SI) XML - machine-readable provision of v1.3.0 XML scheme](https://www.ptb.de/si/v1.3.0/SI_Format.xsd)
+
+[Digital-SI (D-SI) XML - machine-readable provision of latest XML schemes](https://www.ptb.de/si/SI_Format.xsd)
+
+
+
 # XSD
 
 Schema files and instance examples for the XML implementation of the Digital System of Units (D-SI) data model.
 
-**SI\_Format.xsd Version 1.3.0 (status: ready for publication)**
+**SI_Format.xsd Version 1.3.0 (status: ready for publication)**
 
 - complete real and complex
 - real constants
diff --git a/SI_Format.xsd b/SI_Format.xsd
index 3ce9e998eb999957a476f2053894505f60d51b29..bebdd5ec01ed0df825a413343828751ea7dadc09 100644
--- a/SI_Format.xsd
+++ b/SI_Format.xsd
@@ -4,35 +4,50 @@
 	xmlns:si="https://ptb.de/si"
 	elementFormDefault="qualified">
 	
-	<!-- disclaimer -->
 	<xs:annotation>
 		<xs:documentation xml:lang="en">
-  		 	XML-schema implementation of the unified SmartCom meta data format for the exchange of measurement data 
-    	 	in digital ICT applications.
-	    </xs:documentation>
-  		<xs:documentation xml:lang="en">
-    		THIS SCHEMA IS A PROTOTYPE FOR THE INTERNAL USE IN EMPIR 17IND02 SMARTCOM PROJECT.
-			ANY DISTRIBUTION REQUIRES THE PERMISSION BY THE SMARTCOM CONSORTIUM (smartcom@ptb.de).
-	    </xs:documentation>
-	    <xs:documentation xml:lang="en">
-	  		Authors:  All contributing SmartCom JRP partners  (https://www.ptb.de/empir2018/smartcom/home/)
-		    Contact:  smartcom@ptb.de
-		    Version:  1.3.0
-		    Date:     2019-08-16
-		    DOI:      (not assigned)
+			Copyright (c) 2019 - EMPIR project 17IND02 (title: SmartCom) consortium and Physikalisch-Technische Bundesanstalt (PTB),
+			alle Rechte vorbehalten - all rights reserved. This XML scheme is provided attributed to the CC-BY-ND 4.0 license.
+			Please, refer to https://creativecommons.org/licenses/by-nd/4.0/legalcode for the full license.
+		</xs:documentation>
+		<xs:documentation xml:lang="en">
+			This XML scheme implements the Digital-SI (D-SI) data model for a transmission of metrological data in digital 
+			applications.
+			AUTHORS
+			Physikalisch-Technische Bundesanstalt (DE): Daniel Hutzschenreuter, Frank Härtig, Thomas Wiedenhöfer,
+			Siegfried Gustav Hackel, Alexander Scheibner, Wiebke Heeren; 
+			National Physical Laboratory (UK): Ian Smith, Clifford Brown
+			CONTACT 	
+			smartcom@ptb.de
+			WEBPAGE	
+			https://www.ptb.de/empir2018/smartcom/home/
+			VERSION 	
+			1.3.0
+			DATE		
+			2019-10-16
+			DOI:
+			10.5281/zenodo.3366902
+		</xs:documentation>
+		<xs:documentation xml:lang="en">
+			DISCLAIMER:
+			This XML scheme was developed by the EMPIR project 17IND02 (title: SmartCom) consortium under the lead of 
+			Physikalisch-Technische Bundesanstalt (PTB). The XML scheme is made available “as is“ 
+			free of cost at your own risk. Members of the EMPIR project 17IND02 (SmartCom) consortium and the Physikalisch-Technische
+			Bundesanstalt assume no responsibility whatsoever for its use by other parties, and makes no guarantees, expressed or 
+			implied, about its quality, reliability, safety, suitability or any other characteristic. As far as legally permitted, 
+			the members of the EMPIR project 17IND02 (SmartCom) consortium and the Physikalisch-Technische Bundesanstalt refuse
+			any liability for any direct, indirect or consequential damage arising in connection with the use of this XML scheme.
 	    </xs:documentation>
-	    <xs:documentation xml:lang="en">
-	  		Acknowledgment
-		    The development of the unified meta data format for the exchange of measurement data in ICT applications and 
-		    its implementation using XML is made as part of the research project EMPIR 17IND02 (title: SmartCom). 
-		    This project (17IND02) has received funding from the EMPIR programme co-financed by the Participating States and 
+		<xs:documentation xml:lang="en">
+	  		ACKNOWLEDGEMENT:
+		    The development of the XML scheme is part of the research project EMPIR 17IND02 (title: SmartCom). 
+		    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.
 	    </xs:documentation>
 	</xs:annotation>
 
 
 
-
 	<!--
   ##############################################################################################
   First part of the XML-schema: Elements for the SI-based exchange of measured quantities.
@@ -96,7 +111,7 @@
 				<xs:element name="value" type="si:decimalType"/>
 				<xs:element name="unit"  type="si:unitType"/>
 
-				<!-- optional timestamp -->
+				<!-- optional time stamp -->
 				<xs:element name="dateTime" type="xs:dateTime" minOccurs="0"/>
 
 				<!-- optional choice of uncertainty statements -->
@@ -114,9 +129,9 @@
 	<xs:element name="expandedUnc">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of the structure that gives the necessary components for stating 
+				Definition of the structure, that gives the necessary components for stating 
 				an expanded measurement uncertainty. This element must always be used in the
-				context of a real quantity which is an application within si:real and/or
+				context of a real quantity, which is an application within si:real and/or
 				si:globalUnivaraiteUnc.
 			</xs:documentation>
 			<xs:documentation xml:lang="en">
@@ -147,9 +162,9 @@
 	<xs:element name="coverageInterval">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of the structure that gives the necessary components for stating 
+				Definition of the structure, that gives the necessary components for stating 
 				a probabilistic-symmetric coverage interval for a real uncertainty. This element 
-				must always be used in the context of a real quantity which is an application 
+				must always be used in the context of a real quantity, which is an application 
 				within si:real and/or si:globalUnivaraiteUnc.
 			</xs:documentation>
 			<xs:documentation xml:lang="en">
@@ -182,7 +197,7 @@
 	<xs:element name="constant">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of a structure for real numbers that represent for fundamental 
+				Definition of a structure for real numbers, that represent for fundamental 
 				physical constants and mathematical	constants.
 			</xs:documentation>
 			<xs:documentation xml:lang="en">
@@ -196,12 +211,12 @@
 			    (o) - element uncertainty				(decimal value >= 0)
 				(o) - element distribution				(string)
 				
-				The value and the uncertaitny have the unit specified by element unit.
-				For fundamental physical constants that are defined experimentally, the
+				The value and the uncertaintny have the unit specified by the element unit.
+				For fundamental physical constants, that are defined experimentally, the
 				uncertainty is the standard deviation.
 				
-				For rounded mathematical constants the uncertainty is the standard deviation
-				of a rectangular distribution (element value defines center point) that 
+				For rounded mathematical constants, the uncertainty is the standard deviation
+				of a rectangular distribution (element value defines center point), that 
 				containes the exact value of the constant with 100 percent probability.
 				]]>
 			</xs:documentation>
@@ -233,8 +248,8 @@
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
 				The definition of complex quantities in the D-SI meta data model.
-				Complex quantities allow two representations of complex numerical values.
-				One is the Cartesian coordinate form. The other representation is the
+				Complex quantities allow two representations of complex numerical values:
+				One is the Cartesian coordinate form, the other representation is the
 				polar coordinate form.
 			</xs:documentation>
 			<xs:documentation xml:lang="en">
@@ -360,7 +375,7 @@
 							The column has n covariance elements, where
 							n is the amount of columns in the covariance matrix.
 							
-							The covariance elements are ordered as in the covariance matrix starting
+							The covariance elements are ordered as in the covariance matrix, started
 							at the element in the first row of the matrix and going to the
 							last row of the matrix.
 							]]>
@@ -395,7 +410,7 @@
 	<xs:element name="ellipsoidalRegion">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of the structure that provides a hyper-ellipsoidal coverage
+				Definition of the structure, that provides a hyper-ellipsoidal coverage
 				region for stating the uncertainty of multivariate quantities. It is
 				used in the context of uncertainty for complex quantities and
 				lists of real or complex quantities.
@@ -512,7 +527,7 @@
 									<xs:annotation>
 										<xs:documentation xml:lang="en">
 											Meta data element definition for a real measurement quantity in list.
-											This implementation differes from the pure real quantitiy in the way that
+											This implementation differs from the pure real quantity in the way that
 											the unit component is optional in order to allow a combination with
 											a global unit in the list of real quantities.
 										</xs:documentation>
@@ -525,7 +540,7 @@
 											<xs:element name="value" type="si:decimalType"/>
 											<!-- if list unit, then do not write this local unit -->
 											<xs:element name="unit"  type="si:unitType" minOccurs="0"/>
-											<!-- optional local timestamp -->
+											<!-- optional local time stamp -->
 											<xs:element name="dateTime" type="xs:dateTime" minOccurs="0"/>
 											<!-- optional choice of local uncertainty statements -->
 											<xs:choice minOccurs="0">
@@ -547,8 +562,8 @@
 								<xs:element name="complex" maxOccurs="unbounded">
 									<xs:annotation>
 										<xs:documentation xml:lang="en">
-											Meta data element definition for a comple measurement quantity in list.
-											This implementation differes from the pure complex quantitiy in the way that
+											Meta data element definition for a complex measurement quantity in list.
+											This implementation differs from the pure complex quantity, in the way that
 											the unit components are optional in order to allow a combination with
 											a global unit in the list of complex quantities.
 										</xs:documentation>
@@ -576,7 +591,7 @@
 													<xs:element name="unitPhase" type="si:unitPhaseType" minOccurs="0"/>												
 												</xs:sequence>										
 											</xs:choice>														
-											<!-- optional local timestamp -->
+											<!-- optional local time stamp -->
 											<xs:element name="dateTime" type="xs:dateTime" minOccurs="0"/>					
 											<!-- optional choice of local uncertainty statements -->
 											<xs:choice minOccurs="0">
@@ -596,7 +611,7 @@
 							<xs:element ref="si:rectangularRegion"/>
 						</xs:choice>
 					</xs:sequence>
-					<!-- end of list of real or complex quantitits -->
+					<!-- end of list of real or complex quantities -->
 					
 					
 					
@@ -616,9 +631,9 @@
 	<xs:element name="listUnivariateUnc">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of a structure for a global univariate uncertainty that
+				Definition of a structure, for a global univariate uncertainty, that
 				is used within the list structure with a list of real quantities.
-				The global univaraite uncertinty can either be given as a expanded 
+				The global univariate uncertainty can either be given as an expanded 
 				measurement uncertainty or as a coverage interval.
 			</xs:documentation>
 		</xs:annotation>
@@ -637,11 +652,11 @@
 	<xs:element name="listBivariateUnc">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Definition of a structure for a global bivariate uncertainty that
+				Definition of a structure, for a global bivariate uncertainty, that
 				is used within the list structure with a list of complex quantities.
-				The global bivariate uncertinty can either be given as a hyper-ellipsoida
+				The global bivariate uncertainty can either be given as a hyper-ellipsoidal
 				coverage region or a hyper-rectangular coverage region. Both
-				coverage regions must provide a covariance matrix of dimendion 2.
+				coverage regions must provide a covariance matrix of dimension 2.
 			</xs:documentation>
 		</xs:annotation>
 		<xs:complexType>
@@ -664,7 +679,7 @@
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
 				The hybrid elements allows to add quantities to the
-				machine readable D-SI format with other units than those allowed
+				machine readable D-SI format, with other units, than those allowed
 				to be used with the SI by means of the BIPM SI brochure.
 			</xs:documentation>	
 			<xs:documentation xml:lang="en">
@@ -758,7 +773,7 @@
 	<xs:simpleType name="uncertaintyValueType">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Scientiffic decimal format for numerical values of uncertainties
+				Scientific decimal format for numerical values of uncertainties
 				that must be positive (greater than zero or equal to zero).
 				Based on type xs:double.
 			</xs:documentation>
@@ -772,7 +787,7 @@
 	<xs:simpleType name="kValueType">
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
-				Scientiffic decimal format for coverage factor values for uncertainties
+				Scientific decimal format for coverage factor values for uncertainties
 				that must be greater than one or equal to one.
 				Based on type xs:double.
 			</xs:documentation>
@@ -786,7 +801,7 @@
 		<xs:annotation>
 			<xs:documentation xml:lang="en">
 				Decimal format for coverage probability values for uncertainties.
-				The value must be within the interval [0,1]. The scientiffic exponent 
+				The value must be within the interval [0,1]. The scientific exponent 
 				"e" (or "E") is not allowed.
 				Based on type xs:double.
 			</xs:documentation>
@@ -796,20 +811,4 @@
 		</xs:restriction>
 	</xs:simpleType>
 
-
-
-
-
-
-
-
-
-
-
-
-	
-
-
-
-
 </xs:schema>
diff --git a/examples/SI_Format_TestData.xsd b/examples/SI_Format_TestData.xsd
index 615422f8f0506fb9c8b4587761da629595e83fd1..baa15910aaea0124c8f781ec2a21cf9fa357f084 100644
--- a/examples/SI_Format_TestData.xsd
+++ b/examples/SI_Format_TestData.xsd
@@ -4,8 +4,8 @@
 	xmlns:siTest="https://ptb.de/si/examples"
 	xmlns:si="https://ptb.de/si"
 	elementFormDefault="qualified">
-	<xs:import namespace="https://ptb.de/si"
-             	schemaLocation="platform:/resource/DSI_XML_Tools/xml/SI_Format.xsd" />
+	
+	<xs:import namespace="https://ptb.de/si" schemaLocation="https://www.ptb.de/si/v1.3.0/SI_Format.xsd" />
 	
 	<!-- A simple XML scheme for maintaining multiple XML test examples
 		for the validation of the D-SI XML implementation.-->