diff --git a/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml b/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
index 54d4119d2ac0f8b020f8f80b0dbbd95b5cc29509..8db36c4d6201afca950018b34b19366d830e8ee1 100644
--- a/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
+++ b/OpenAPI/TS32291_Nchf_ConvergedCharging.yaml
@@ -1,13 +1,13 @@
 openapi: 3.0.0
 info:
   title: Nchf_ConvergedCharging
-  version: 3.3.0-alpha.2
+  version: 3.3.0-alpha.3
   description: |
     ConvergedCharging Service    © 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
     All rights reserved.
 externalDocs:
   description: >
-    3GPP TS 32.291 V19.2.0: Telecommunication management; Charging management; 
+    3GPP TS 32.291 V19.3.0: Telecommunication management; Charging management; 
     5G system, charging service; Stage 3.
   url: 'http://www.3gpp.org/ftp/Specs/archive/32_series/32.291/'
 servers:
@@ -380,6 +380,8 @@ components:
           $ref: '#/components/schemas/NSSAAChargingInformation'
         rangingSLChargingInformation:
           $ref: '#/components/schemas/RangingSLChargingInformation'
+        lCSInformation:
+          $ref: '#/components/schemas/LCSInformation'
       required:
         - nfConsumerIdentification 
         - invocationTimeStamp
@@ -1779,6 +1781,20 @@ components:
           $ref: '#/components/schemas/TADIdentifier'
         feIdentifierList:
           type: string
+        imsDCAppInfo:
+          $ref: '#/components/schemas/IMSDCAppInfo'
+        satelliteIdList:
+          type: array
+          items:
+            $ref: '#/components/schemas/SatelliteId'
+          minItems: 1
+    IMSDCAppInfo:
+      type: object
+      properties:
+        applicationId:
+          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
+        httpUrl:
+          $ref: 'TS29571_CommonData.yaml#/components/schemas/ReplaceHttpUrl'
     EdgeInfrastructureUsageChargingInformation:
       type: object
       properties:
@@ -2058,6 +2074,13 @@ components:
           $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'
         proximityCancellationTimestamp:
           $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'
+        hopCount:
+          type: integer
+        intermediateRelayInformationContainer:
+          type: array
+          items:
+            $ref: '#/components/schemas/IntermediateRelayInformationContainer'
+          minItems: 0
         relayIPAddress:
           $ref: 'TS29571_CommonData.yaml#/components/schemas/IpAddr'
         proseUEToNetworkRelayUEID :
@@ -2135,6 +2158,19 @@ components:
           $ref: '#/components/schemas/LocationType'
         locationEstimate:
           $ref: '#/components/schemas/LocationEstimate'
+    LCSInformation:
+      type: object
+      properties:
+        lCSClientID:
+          type: string
+        locationType:
+          $ref: '#/components/schemas/LocationType'
+        locationEstimate:
+          $ref: '#/components/schemas/LocationEstimate'
+        positioningData:
+          type: string
+        targetUEID:
+          $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
     LocationEstimate:
       type: object
       properties:
@@ -2144,6 +2180,13 @@ components:
           $ref: '#/components/schemas/OctetString'
         verticalAccuracy:
           $ref: '#/components/schemas/OctetString'
+    IntermediateRelayInformationContainer:
+      type: object
+      properties:
+        intermediateRelayIPAddress:
+          $ref: 'TS29571_CommonData.yaml#/components/schemas/IpAddr'
+        proseUEToNetworkIntermediateRelayUEID:
+          type: string
     PFIContainerInformation:
       type: object
       properties:
@@ -2388,6 +2431,8 @@ components:
           $ref: '#/components/schemas/NNIRelationshipMode'
         neighbourNodeAddress:
           $ref: '#/components/schemas/IMSAddress'
+    SatelliteId:
+          type: string
     EASRequirements:
       type: object
       properties:
@@ -2545,6 +2590,8 @@ components:
             - MB_SMF
             - CHF
             - GMLC
+            - AIOTF
+            - CCF
         - type: string
     ChargingCharacteristicsSelectionMode:
       anyOf:
@@ -2975,7 +3022,7 @@ components:
       anyOf:
         - type: string
           enum:
-# The applicable IMS Nodes are MRFC, IMS-GWF (connected to S-CSCF using ISC) and SIP AS. 
+# The applicable IMS Nodes are MRFC, IMS-GWF (connected to S-CSCF using ISC), SIP AS and DCSF. 
             - S_CSCF
             - P_CSCF
             - I_CSCF
@@ -2999,6 +3046,7 @@ components:
             - SCEF
             - IWK_SCEF
             - IMS_GWF
+            - DCSF
         - type: string
     RoleOfIMSNode:
       anyOf: