diff --git a/TS26510_Maf_Provisioning_ContentHosting.yaml b/TS26510_Maf_Provisioning_ContentHosting.yaml
index d33a71607d0137f20de172ee1f8b947d99fa4141..a6e377688305c061f760f80b6a5fd46a779616f3 100644
--- a/TS26510_Maf_Provisioning_ContentHosting.yaml
+++ b/TS26510_Maf_Provisioning_ContentHosting.yaml
@@ -457,7 +457,8 @@ components:
       anyOf:
         - type: string
           enum:
-            - NETWORK_EMBMS
+            - DISTRIBUTION_NETWORK_EMBMS
+            - DISTRIBUTION_NETWORK_MBS
         - type: string
           description: >
             This string provides forward-compatibility with future
diff --git a/TS26510_Maf_SessionHandling_ServiceAccessInformation.yaml b/TS26510_Maf_SessionHandling_ServiceAccessInformation.yaml
index 8d752de7ca76a754895d878e32030d681fb22337..326d6c2e9135a5c06dc8f5572804ddc7613f27da 100644
--- a/TS26510_Maf_SessionHandling_ServiceAccessInformation.yaml
+++ b/TS26510_Maf_SessionHandling_ServiceAccessInformation.yaml
@@ -127,6 +127,8 @@ components:
                 $ref: '#/components/schemas/M5MediaEntryPoint'
             eMBMSServiceAnnouncementLocator:
               $ref: 'TS26510_CommonData.yaml#/components/schemas/AbsoluteUrl'
+            mbsExternalServiceIdentifier:
+              type: string
         clientConsumptionReportingConfiguration:
           type: object
           required: