diff --git a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/configuration/JsonLdConfiguration.java b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/configuration/JsonLdConfiguration.java
index 1513207f27..71f49e3aa0 100644
--- a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/configuration/JsonLdConfiguration.java
+++ b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/configuration/JsonLdConfiguration.java
@@ -53,8 +53,7 @@ public class JsonLdConfiguration {
     public static final String NAMESPACE_TRACTUSX = "https://w3id.org/tractusx/v0.0.1/ns/";
     public static final String NAMESPACE_DCT = "http://purl.org/dc/terms/";
     public static final String JSON_LD_OBJECT_MAPPER = "jsonLdObjectMapper";
-    public static final String NAMESPACE_CATENAX_ONTOLOGY_COMMON = "https://w3id.org/catenax/ontology/common#";
-    public static final String NAMESPACE_CATENAX_TAXONOMY = "https://w3id.org/catenax/taxonomy#";
+    public static final String NAMESPACE_CATENAX_POLICY = "https://w3id.org/catenax/policy/";
 
     @Bean /* package */ TitaniumJsonLd titaniumJsonLd(final Monitor monitor) {
         final TitaniumJsonLd titaniumJsonLd = new TitaniumJsonLd(monitor);
@@ -64,8 +63,7 @@ public class JsonLdConfiguration {
         titaniumJsonLd.registerNamespace("edc", NAMESPACE_EDC);
         titaniumJsonLd.registerNamespace("dcat", JsonLdConfiguration.NAMESPACE_DCAT);
         titaniumJsonLd.registerNamespace("dspace", NAMESPACE_DSPACE);
-        titaniumJsonLd.registerNamespace("cx-common", NAMESPACE_CATENAX_ONTOLOGY_COMMON);
-        titaniumJsonLd.registerNamespace("cx-taxo", NAMESPACE_CATENAX_TAXONOMY);
+        titaniumJsonLd.registerNamespace("cx-policy", NAMESPACE_CATENAX_POLICY);
         return titaniumJsonLd;
     }
 
diff --git a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/asset/EdcAssetServiceTest.java b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/asset/EdcAssetServiceTest.java
index 6ee57e1220..1653da5d41 100644
--- a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/asset/EdcAssetServiceTest.java
+++ b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/asset/EdcAssetServiceTest.java
@@ -87,7 +87,7 @@ void setUp() {
         jsonLd.registerNamespace("edc", "https://w3id.org/edc/v0.0.1/ns/");
         jsonLd.registerNamespace("dcat", "https://www.w3.org/ns/dcat/");
         jsonLd.registerNamespace("dspace", "https://w3id.org/dspace/v0.8/");
-        jsonLd.registerNamespace("cx-common", "https://w3id.org/catenax/ontology/common#");
+        jsonLd.registerNamespace("cx-policy", "https://w3id.org/catenax/policy/");
 
         this.edcTransformer = new EdcTransformer(objectMapper(), jsonLd, new TypeTransformerRegistryImpl());
         this.service = new EdcAssetService(edcTransformer, edcConfiguration, restTemplate);
@@ -187,7 +187,7 @@ void testRegistryAssetCreateRequestStructure() throws JSONException {
                         "dct:type": {
                             "@id": "https://w3id.org/catenax/taxonomy#DigitalTwinRegistry"
                         },
-                        "cx-common:version": "3.0",
+                        "https://w3id.org/catenax/ontology/common#version": "3.0",
                 		"edc:type": "data.core.digitalTwinRegistry",
                         "edc:id": "Asset1",
                         "edc:contenttype": "Asset"
diff --git a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/testutil/TestMother.java b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/testutil/TestMother.java
index b37b77321d..369624a740 100644
--- a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/testutil/TestMother.java
+++ b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/testutil/TestMother.java
@@ -23,6 +23,7 @@
  ********************************************************************************/
 package org.eclipse.tractusx.irs.edc.client.testutil;
 
+import static org.eclipse.tractusx.irs.edc.client.configuration.JsonLdConfiguration.NAMESPACE_CATENAX_POLICY;
 import static org.eclipse.tractusx.irs.edc.client.configuration.JsonLdConfiguration.NAMESPACE_DCAT;
 import static org.eclipse.tractusx.irs.edc.client.configuration.JsonLdConfiguration.NAMESPACE_DCT;
 import static org.eclipse.tractusx.irs.edc.client.configuration.JsonLdConfiguration.NAMESPACE_DSPACE;
@@ -79,6 +80,7 @@ public static EdcTransformer createEdcTransformer() {
         titaniumJsonLd.registerNamespace("edc", NAMESPACE_EDC);
         titaniumJsonLd.registerNamespace("dcat", NAMESPACE_DCAT);
         titaniumJsonLd.registerNamespace("dspace", NAMESPACE_DSPACE);
+        titaniumJsonLd.registerNamespace("cx-policy", NAMESPACE_CATENAX_POLICY);
         return new EdcTransformer(objectMapper(), titaniumJsonLd, new TypeTransformerRegistryImpl());
     }
 
diff --git a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/EdcTransformerTest.java b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/EdcTransformerTest.java
index e2c40abc06..f5b5b287cd 100644
--- a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/EdcTransformerTest.java
+++ b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/EdcTransformerTest.java
@@ -217,8 +217,7 @@ void setUp() {
         jsonLd.registerNamespace("edc", "https://w3id.org/edc/v0.0.1/ns/");
         jsonLd.registerNamespace("dcat", "https://www.w3.org/ns/dcat/");
         jsonLd.registerNamespace("dspace", "https://w3id.org/dspace/v0.8/");
-        jsonLd.registerNamespace("cx-common", "https://w3id.org/catenax/ontology/common#");
-        jsonLd.registerNamespace("cx-taxo", "https://w3id.org/catenax/taxonomy#");
+        jsonLd.registerNamespace("cx-policy", "https://w3id.org/catenax/policy/");
 
         ObjectMapper objectMapper = objectMapper();
         edcTransformer = new EdcTransformer(objectMapper, jsonLd, new TypeTransformerRegistryImpl());
diff --git a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/JsonObjectToCatalogTransformerTest.java b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/JsonObjectToCatalogTransformerTest.java
index 44eb6e83ae..d546e7baef 100644
--- a/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/JsonObjectToCatalogTransformerTest.java
+++ b/irs-edc-client/src/test/java/org/eclipse/tractusx/irs/edc/client/transformer/JsonObjectToCatalogTransformerTest.java
@@ -51,6 +51,7 @@ void setUp() {
         jsonLd.registerNamespace("edc", "https://w3id.org/edc/v0.0.1/ns/");
         jsonLd.registerNamespace("dcat", "https://www.w3.org/ns/dcat/");
         jsonLd.registerNamespace("dspace", "https://w3id.org/dspace/v0.8/");
+        jsonLd.registerNamespace("cx-policy", "https://w3id.org/catenax/policy/");
 
         ObjectMapper objectMapper = objectMapper();
         edcTransformer = new EdcTransformer(objectMapper, jsonLd, new TypeTransformerRegistryImpl());