diff --git a/README.md b/README.md
index 95d8cb1c4571b9dbc32aab98851511259bde5397..8f1889bcc5d3ffd0c32cb805722eaeb20fc65760 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,16 @@
 > This branch is a strict testing version **derived from the master branch**.  
 > - Not all **documentation** is fully up to date yet.  
 > - The **examples** are also not completely updated to reflect the strict changes.  
->  
+>
+>  Use this import statment in XML or XSD files to use this strict Version 
+> ```xml    
+><xs:import
+>   namespace="https://ptb.de/si"
+>   schemaLocation="https://gitlab1.ptb.de/d-ptb/d-si/xsd-d-si/-/raw/strict/SI_Format.xsd "/>
+>```
+>
+>
+>
 > **Please note:** The master branch remains the primary and officially supported version.
 
 ---