diff --git a/CHANGELOG.md b/CHANGELOG.md
index 608febac49..a29e085968 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ _**For better traceability add the corresponding GitHub issue number in each cha
 - Fixed already merged implementation from _"Access and Usage Policy Validation flow correction. #757"_ 
   where fallback to default policy was not implemented correctly.
 - Improved exception handling concerning invalid date format in search parameters for `GET /irs/policies/paged`. #639
+- Fix policy leftOperand prefix in IRS_Request_Collection.json and EdcRegistration.registerPolicy 
+  (`https://w3id.org/catenax/policy` instead of `cx-policy`).
 
 ### Changed
 
diff --git a/irs-api/src/main/java/org/eclipse/tractusx/irs/ess/service/EdcRegistration.java b/irs-api/src/main/java/org/eclipse/tractusx/irs/ess/service/EdcRegistration.java
index aa404f485b..55ed459746 100644
--- a/irs-api/src/main/java/org/eclipse/tractusx/irs/ess/service/EdcRegistration.java
+++ b/irs-api/src/main/java/org/eclipse/tractusx/irs/ess/service/EdcRegistration.java
@@ -144,42 +144,42 @@ private void registerAsset(final String assetId, final String notificationType,
 
     private void registerPolicy(final String policyId) {
         final var body = """
-            {
-              "@context": {
-                "@vocab": "https://w3id.org/edc/v0.0.1/ns/",
-                "cx-policy": "https://w3id.org/catenax/policy/",
-                "odrl": "http://www.w3.org/ns/odrl/2/"
-              },
-              "@id": "%s",
-              "policy": {
-                "@type": "odrl:Set",
-                "odrl:permission": [
-                  {
-                    "odrl:action": "use",
-                    "odrl:constraint": {
-                      "@type": "AtomicConstraint",
-                      "odrl:and": [
-                        {
-                          "odrl:leftOperand": "cx-policy:FrameworkAgreement",
-                          "odrl:operator": {
-                            "@id": "odrl:eq"
-                          },
-                          "odrl:rightOperand": "traceability:1.0"
-                        },
-                        {
-                          "odrl:leftOperand": "cx-policy:UsagePurpose",
-                          "odrl:operator": {
-                            "@id": "odrl:eq"
-                          },
-                          "odrl:rightOperand": "cx.core.industrycore:1"
+                {
+                  "@context": {
+                    "@vocab": "https://w3id.org/edc/v0.0.1/ns/",
+                    "cx-policy": "https://w3id.org/catenax/policy/",
+                    "odrl": "http://www.w3.org/ns/odrl/2/"
+                  },
+                  "@id": "%s",
+                  "policy": {
+                    "@type": "odrl:Set",
+                    "odrl:permission": [
+                      {
+                        "odrl:action": "use",
+                        "odrl:constraint": {
+                          "@type": "AtomicConstraint",
+                          "odrl:and": [
+                            {
+                              "odrl:leftOperand": "https://w3id.org/catenax/policy/FrameworkAgreement",
+                              "odrl:operator": {
+                                "@id": "odrl:eq"
+                              },
+                              "odrl:rightOperand": "traceability:1.0"
+                            },
+                            {
+                              "odrl:leftOperand": "https://w3id.org/catenax/policy/UsagePurpose",
+                              "odrl:operator": {
+                                "@id": "odrl:eq"
+                              },
+                              "odrl:rightOperand": "cx.core.industrycore:1"
+                            }
+                          ]
                         }
-                      ]
-                    }
+                      }
+                    ]
                   }
-                ]
-              }
-            }
-            """.formatted(policyId);
+                }
+                """.formatted(policyId);
         final var entity = restTemplate.exchange(edcProviderUrl + policydefinitionsPath, HttpMethod.POST,
                 toEntity(body), String.class);
 
diff --git a/local/testing/request-collection/IRS_Request_Collection.json b/local/testing/request-collection/IRS_Request_Collection.json
index 467b0c0d13..deb1e01206 100644
--- a/local/testing/request-collection/IRS_Request_Collection.json
+++ b/local/testing/request-collection/IRS_Request_Collection.json
@@ -3171,7 +3171,7 @@
 			"method": "POST",
 			"body": {
 				"mimeType": "application/json",
-				"text": "{\n\t\"edc:counterPartyAddress\": \"{{ _.PROVIDER_CONTROLPLANE_1 }}/api/v1/dsp\",\n\t\"edc:counterPartyId\": \"{{ _.PROVIDER_BPN }}\",\n\t\"edc:policy\": {\n\t\t\"@id\": \"YWZhOTZlMjYtY2JhMy00OTEzLWExZGQtMjZmNmUyNWNjZTZj:cmVnaXN0cnktYXNzZXQ=:NmFkOTc5NDgtNjYyOS00OThhLWFmZWUtNzBhYmUzNjQ5NDQ0\",\n\t\t\"@type\": \"odrl:Offer\",\n\t\t\"odrl:permission\": {\n\t\t\t\t\"odrl:action\": {\n\t\t\t\t\t\"odrl:type\": \"use\"\n\t\t\t\t},\n\t\t\t\t\"odrl:constraint\": {\n\t\t\t\t\t\"odrl:and\": [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"cx-policy:FrameworkAgreement\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"Traceability:1.0\"\n\t\t\t\t\t\t},\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"cx-policy:UsagePurpose\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"cx.core.industrycore:1\"\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t},\n\t\t\"odrl:prohibition\": [],\n\t\t\"odrl:obligation\": [],\n\t\t\"odrl:assigner\": {\n\t\t\t\"@id\": \"{{ _.PROVIDER_BPN }}\"\n\t\t},\n\t\t\"odrl:target\": {\n\t\t\t\"@id\": \"registry-asset\"\n\t\t}\n\t},\n\t\"edc:protocol\": \"dataspace-protocol-http\",\n\t\"edc:callbackAddresses\": [],\n\t\"@context\": {\n\t\t\"odrl\": \"http://www.w3.org/ns/odrl/2/\",\n\t\t\"dct\": \"https://purl.org/dc/terms/\",\n\t\t\"tx\": \"https://w3id.org/tractusx/v0.0.1/ns/\",\n\t\t\"edc\": \"https://w3id.org/edc/v0.0.1/ns/\",\n\t\t\"dcat\": \"https://www.w3.org/ns/dcat/\",\n\t\t\"dspace\": \"https://w3id.org/dspace/v0.8/\"\n\t}\n}"
+				"text": "{\n\t\"edc:counterPartyAddress\": \"{{ _.PROVIDER_CONTROLPLANE_1 }}/api/v1/dsp\",\n\t\"edc:counterPartyId\": \"{{ _.PROVIDER_BPN }}\",\n\t\"edc:policy\": {\n\t\t\"@id\": \"YWZhOTZlMjYtY2JhMy00OTEzLWExZGQtMjZmNmUyNWNjZTZj:cmVnaXN0cnktYXNzZXQ=:NmFkOTc5NDgtNjYyOS00OThhLWFmZWUtNzBhYmUzNjQ5NDQ0\",\n\t\t\"@type\": \"odrl:Offer\",\n\t\t\"odrl:permission\": {\n\t\t\t\t\"odrl:action\": {\n\t\t\t\t\t\"odrl:type\": \"use\"\n\t\t\t\t},\n\t\t\t\t\"odrl:constraint\": {\n\t\t\t\t\t\"odrl:and\": [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"https://w3id.org/catenax/policy/FrameworkAgreement\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"Traceability:1.0\"\n\t\t\t\t\t\t},\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"https://w3id.org/catenax/policy/UsagePurpose\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"cx.core.industrycore:1\"\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t},\n\t\t\"odrl:prohibition\": [],\n\t\t\"odrl:obligation\": [],\n\t\t\"odrl:assigner\": {\n\t\t\t\"@id\": \"{{ _.PROVIDER_BPN }}\"\n\t\t},\n\t\t\"odrl:target\": {\n\t\t\t\"@id\": \"registry-asset\"\n\t\t}\n\t},\n\t\"edc:protocol\": \"dataspace-protocol-http\",\n\t\"edc:callbackAddresses\": [],\n\t\"@context\": {\n\t\t\"odrl\": \"http://www.w3.org/ns/odrl/2/\",\n\t\t\"dct\": \"https://purl.org/dc/terms/\",\n\t\t\"tx\": \"https://w3id.org/tractusx/v0.0.1/ns/\",\n\t\t\"edc\": \"https://w3id.org/edc/v0.0.1/ns/\",\n\t\t\"dcat\": \"https://www.w3.org/ns/dcat/\",\n\t\t\"dspace\": \"https://w3id.org/dspace/v0.8/\"\n\t}\n}"
 			},
 			"preRequestScript": "",
 			"parameters": [],
@@ -3830,7 +3830,7 @@
 			"method": "POST",
 			"body": {
 				"mimeType": "application/json",
-				"text": "{\n\t\"@context\": {\n\t\t\"odrl\": \"http://www.w3.org/ns/odrl/2/\"\n\t},\n\t\"@id\": \"test123\",\n\t\"policy\": {\n\t\t\"@type\": \"odrl:Set\",\n\t\t\"odrl:permission\": [\n\t\t\t{\n\t\t\t\t\"odrl:action\": \"use\",\n\t\t\t\t\"odrl:constraint\": {\n\t\t\t\t\t\"@type\": \"AtomicConstraint\",\n\t\t\t\t\t\"odrl:and\": [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"cx-policy:FrameworkAgreement\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"traceability:1.0\"\n\t\t\t\t\t\t},\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"cx-policy:UsagePurpose\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"cx.core.industrycore:1\"\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t}\n\t\t]\n\t}\n}"
+				"text": "{\n\t\"@context\": {\n\t\t\"odrl\": \"http://www.w3.org/ns/odrl/2/\"\n\t},\n\t\"@id\": \"test123\",\n\t\"policy\": {\n\t\t\"@type\": \"odrl:Set\",\n\t\t\"odrl:permission\": [\n\t\t\t{\n\t\t\t\t\"odrl:action\": \"use\",\n\t\t\t\t\"odrl:constraint\": {\n\t\t\t\t\t\"@type\": \"AtomicConstraint\",\n\t\t\t\t\t\"odrl:and\": [\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"https://w3id.org/catenax/policy/FrameworkAgreement\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"traceability:1.0\"\n\t\t\t\t\t\t},\n\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\"odrl:leftOperand\": \"https://w3id.org/catenax/policy/UsagePurpose\",\n\t\t\t\t\t\t\t\"odrl:operator\": {\n\t\t\t\t\t\t\t\t\"@id\": \"odrl:eq\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\"odrl:rightOperand\": \"cx.core.industrycore:1\"\n\t\t\t\t\t\t}\n\t\t\t\t\t]\n\t\t\t\t}\n\t\t\t}\n\t\t]\n\t}\n}"
 			},
 			"preRequestScript": "",
 			"parameters": [],