diff --git a/.github/actions/test-network-setup/action.yaml b/.github/actions/test-network-setup/action.yaml
index ed6587c6..f36169b2 100644
--- a/.github/actions/test-network-setup/action.yaml
+++ b/.github/actions/test-network-setup/action.yaml
@@ -10,6 +10,12 @@ inputs:
   java-version:
     description: Version of JDK
     default: 11.x
+  fabric-version:
+    description: Version of Hyperledger Fabric
+    default: 2.5.0-alpha3
+  ca-version:
+    description: Version of Hyperledger Fabric CA
+    default: 1.5.6-beta3
 
 runs:
   using: "composite"
@@ -35,12 +41,15 @@ runs:
     - name: Install fabric CLI
       shell: bash
       run: |
-        curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/main/scripts/install-fabric.sh | bash -s -- binary
+        curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/main/scripts/install-fabric.sh \
+          | bash -s -- binary --fabric-version ${{ inputs.fabric-version }} --ca-version ${{ inputs.ca-version }}
         echo ${PWD}/bin >> $GITHUB_PATH
 
     - name: Pull Fabric Docker Images
       shell: bash
-      run: curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/main/scripts/install-fabric.sh | bash -s -- docker
+      run: |
+        curl -sSL https://raw.githubusercontent.com/hyperledger/fabric/main/scripts/install-fabric.sh \
+          | bash -s -- docker --fabric-version ${{ inputs.fabric-version }} --ca-version ${{ inputs.ca-version }}
 
     - name: Install retry CLI
       shell: bash
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 4ab1ff67..028fea68 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is linting fabric-samples 🎉
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 env:
   GO_VER: 1.18.3
diff --git a/.github/workflows/rest-sample.yaml b/.github/workflows/rest-sample.yaml
index ff8659f8..f2cae6eb 100644
--- a/.github/workflows/rest-sample.yaml
+++ b/.github/workflows/rest-sample.yaml
@@ -10,10 +10,10 @@ env:
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
     paths: [ "asset-transfer-basic/rest-api-typescript/**" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
     paths: [ "asset-transfer-basic/rest-api-typescript/**" ]
 
 jobs:
diff --git a/.github/workflows/test-network-basic.yaml b/.github/workflows/test-network-basic.yaml
index eb20869d..72b7c1db 100644
--- a/.github/workflows/test-network-basic.yaml
+++ b/.github/workflows/test-network-basic.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Basic tests 🔎
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   basic:
diff --git a/.github/workflows/test-network-events.yaml b/.github/workflows/test-network-events.yaml
index a1e3e996..4a6ebd99 100644
--- a/.github/workflows/test-network-events.yaml
+++ b/.github/workflows/test-network-events.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Events tests 💡
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   events:
diff --git a/.github/workflows/test-network-gateway.yaml b/.github/workflows/test-network-gateway.yaml
index a5f195ce..06477397 100644
--- a/.github/workflows/test-network-gateway.yaml
+++ b/.github/workflows/test-network-gateway.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Gateway tests 🖥️
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   gateway:
diff --git a/.github/workflows/test-network-hsm.yaml b/.github/workflows/test-network-hsm.yaml
index 51093488..189a77a1 100644
--- a/.github/workflows/test-network-hsm.yaml
+++ b/.github/workflows/test-network-hsm.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network HSM tests 🍏
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   hsm:
diff --git a/.github/workflows/test-network-k8s.yaml b/.github/workflows/test-network-k8s.yaml
index cadb4376..7898e820 100644
--- a/.github/workflows/test-network-k8s.yaml
+++ b/.github/workflows/test-network-k8s.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is testing the Kubernetes Test Network 🍒
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   ccaas-java:
diff --git a/.github/workflows/test-network-ledger.yaml b/.github/workflows/test-network-ledger.yaml
index 60c566c9..5bc6669b 100644
--- a/.github/workflows/test-network-ledger.yaml
+++ b/.github/workflows/test-network-ledger.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Ledger tests 🥑
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   basic:
diff --git a/.github/workflows/test-network-off-chain.yaml b/.github/workflows/test-network-off-chain.yaml
index fc10b968..1e5840d4 100644
--- a/.github/workflows/test-network-off-chain.yaml
+++ b/.github/workflows/test-network-off-chain.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Off Chain tests 🍔
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   off-chain:
diff --git a/.github/workflows/test-network-private.yaml b/.github/workflows/test-network-private.yaml
index b8185e4d..36ec02de 100644
--- a/.github/workflows/test-network-private.yaml
+++ b/.github/workflows/test-network-private.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Private tests 🔒
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   private:
diff --git a/.github/workflows/test-network-sbe.yaml b/.github/workflows/test-network-sbe.yaml
index 37682f5c..51a12694 100644
--- a/.github/workflows/test-network-sbe.yaml
+++ b/.github/workflows/test-network-sbe.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network SBE tests 🎵
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   SBE:
diff --git a/.github/workflows/test-network-secured.yaml b/.github/workflows/test-network-secured.yaml
index a0df52ce..df075158 100644
--- a/.github/workflows/test-network-secured.yaml
+++ b/.github/workflows/test-network-secured.yaml
@@ -7,9 +7,9 @@ run-name: ${{ github.actor }} is running the Test Network Secured tests 🔔
 on:
   workflow_dispatch:
   push:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "release-2.5" ]
 
 jobs:
   secured:
diff --git a/asset-transfer-basic/rest-api-typescript/package-lock.json b/asset-transfer-basic/rest-api-typescript/package-lock.json
index 42448c55..e0ad8046 100644
--- a/asset-transfer-basic/rest-api-typescript/package-lock.json
+++ b/asset-transfer-basic/rest-api-typescript/package-lock.json
@@ -2567,9 +2567,9 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
     "node_modules/cookiejar": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
-      "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw==",
       "dev": true
     },
     "node_modules/cors": {
@@ -5272,13 +5272,10 @@
       "dev": true
     },
     "node_modules/json5": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
       "dev": true,
-      "dependencies": {
-        "minimist": "^1.2.5"
-      },
       "bin": {
         "json5": "lib/cli.js"
       },
@@ -5547,9 +5544,9 @@
       "integrity": "sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo="
     },
     "node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
@@ -5558,12 +5555,6 @@
         "node": "*"
       }
     },
-    "node_modules/minimist": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
-    },
     "node_modules/moment": {
       "version": "2.29.4",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
@@ -9677,9 +9668,9 @@
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
     "cookiejar": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.2.tgz",
-      "integrity": "sha512-Mw+adcfzPxcPeI+0WlvRrr/3lGVO0bD75SxX6811cxSh1Wbxx7xZBGK1eVtDf6si8rg2lhnUjsVLMFMfbRIuwA==",
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/cookiejar/-/cookiejar-2.1.4.tgz",
+      "integrity": "sha512-LDx6oHrK+PhzLKJU9j5S7/Y3jM/mUHvD/DeI1WQmJn652iPC5Y4TBzC9l+5OMOXlyTTA+SmVUPm0HQUwpD5Jqw==",
       "dev": true
     },
     "cors": {
@@ -11718,13 +11709,10 @@
       "dev": true
     },
     "json5": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.0.tgz",
-      "integrity": "sha512-f+8cldu7X/y7RAJurMEJmdoKXGB/X550w2Nr3tTbezL6RwEE/iMcm+tZnXeoZtKuOq6ft8+CqzEkrIgx1fPoQA==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.5"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+      "dev": true
     },
     "jsrsasign": {
       "version": "10.5.26",
@@ -11935,20 +11923,14 @@
       "integrity": "sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo="
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
       }
     },
-    "minimist": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
-    },
     "moment": {
       "version": "2.29.4",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
diff --git a/asset-transfer-private-data/application-gateway-typescript/src/app.ts b/asset-transfer-private-data/application-gateway-typescript/src/app.ts
index 0513807d..ac292330 100644
--- a/asset-transfer-private-data/application-gateway-typescript/src/app.ts
+++ b/asset-transfer-private-data/application-gateway-typescript/src/app.ts
@@ -129,6 +129,10 @@ async function main(): Promise<void> {
 
         // Delete AssetID2 as Org1.
         await deleteAsset(contractOrg1, assetID2);
+
+        // Trigger a purge of the private data for the asset
+        // The previous delete is optinal if purge is used
+        await purgeAsset(contractOrg1, assetID2);
     } finally {
         gatewayOrg1.close();
         clientOrg1.close();
@@ -261,6 +265,17 @@ async function deleteAsset(contract: Contract, assetID: string): Promise<void> {
 
     console.log('*** Transaction committed successfully');
 }
+
+async function purgeAsset(contract: Contract, assetID: string): Promise<void> {
+    console.log('\n--> Submit Transaction: PurgeAsset, ID:', assetID);
+    const dataForPurge = { assetID };
+    await contract.submit('PurgeAsset', {
+        transientData: { asset_purge: JSON.stringify(dataForPurge) },
+    });
+
+    console.log('*** Transaction committed successfully');
+}
+
 async function readAssetPrivateDetails(contract: Contract, assetID: string, collectionName: string): Promise<boolean> {
     console.log(`\n--> Evaluate Transaction: ReadAssetPrivateDetails from ${collectionName}, ID: ${assetID}`);
 
diff --git a/asset-transfer-private-data/chaincode-go/chaincode/asset_transfer.go b/asset-transfer-private-data/chaincode-go/chaincode/asset_transfer.go
index 92c10424..a377e57c 100644
--- a/asset-transfer-private-data/chaincode-go/chaincode/asset_transfer.go
+++ b/asset-transfer-private-data/chaincode-go/chaincode/asset_transfer.go
@@ -475,6 +475,68 @@ func (s *SmartContract) DeleteAsset(ctx contractapi.TransactionContextInterface)
 
 }
 
+// PurgeAsset can be used by the owner of the asset to delete the asset
+// Trigger removal of the asset
+func (s *SmartContract) PurgeAsset(ctx contractapi.TransactionContextInterface) error {
+
+	transientMap, err := ctx.GetStub().GetTransient()
+	if err != nil {
+		return fmt.Errorf("Error getting transient: %v", err)
+	}
+
+	// Asset properties are private, therefore they get passed in transient field
+	transientDeleteJSON, ok := transientMap["asset_purge"]
+	if !ok {
+		return fmt.Errorf("asset to purge not found in the transient map")
+	}
+
+	type assetPurge struct {
+		ID string `json:"assetID"`
+	}
+
+	var assetPurgeInput assetPurge
+	err = json.Unmarshal(transientDeleteJSON, &assetPurgeInput)
+	if err != nil {
+		return fmt.Errorf("failed to unmarshal JSON: %v", err)
+	}
+
+	if len(assetPurgeInput.ID) == 0 {
+		return fmt.Errorf("assetID field must be a non-empty string")
+	}
+
+	// Verify that the client is submitting request to peer in their organization
+	err = verifyClientOrgMatchesPeerOrg(ctx)
+	if err != nil {
+		return fmt.Errorf("PurgeAsset cannot be performed: Error %v", err)
+	}
+
+	log.Printf("Purging Asset: %v", assetPurgeInput.ID)
+
+	// Note that there is no check here to see if the id exist; it might have been 'deleted' already
+	// so a check here is pointless. We would need to call purge irrespective of the result
+	// A delete can be called before purge, but is not essential
+
+	ownerCollection, err := getCollectionName(ctx) // Get owners collection
+	if err != nil {
+		return fmt.Errorf("failed to infer private collection name for the org: %v", err)
+	}
+
+	// delete the asset from state
+	err = ctx.GetStub().PurgePrivateData(assetCollection, assetPurgeInput.ID)
+	if err != nil {
+		return fmt.Errorf("failed to purge state from asset collection: %v", err)
+	}
+
+	// Finally, delete private details of asset
+	err = ctx.GetStub().PurgePrivateData(ownerCollection, assetPurgeInput.ID)
+	if err != nil {
+		return fmt.Errorf("failed to purge state from owner collection: %v", err)
+	}
+
+	return nil
+
+}
+
 // DeleteTranferAgreement can be used by the buyer to withdraw a proposal from
 // the asset collection and from his own collection.
 func (s *SmartContract) DeleteTranferAgreement(ctx contractapi.TransactionContextInterface) error {
diff --git a/asset-transfer-private-data/chaincode-go/go.mod b/asset-transfer-private-data/chaincode-go/go.mod
index ba25be99..305208de 100644
--- a/asset-transfer-private-data/chaincode-go/go.mod
+++ b/asset-transfer-private-data/chaincode-go/go.mod
@@ -3,7 +3,7 @@ module github.com/hyperledger/fabric-samples/asset-transfer-private-data/chainco
 go 1.17
 
 require (
-	github.com/hyperledger/fabric-chaincode-go v0.0.0-20220720122508-9207360bbddd
+	github.com/hyperledger/fabric-chaincode-go v0.0.0-20220920210243-7bc6fa0dd58b
 	github.com/hyperledger/fabric-contract-api-go v1.2.0
 	github.com/hyperledger/fabric-protos-go v0.0.0-20220613214546-bf864f01d75e
 	github.com/stretchr/testify v1.8.0
diff --git a/asset-transfer-private-data/chaincode-go/go.sum b/asset-transfer-private-data/chaincode-go/go.sum
index 6d35e832..f352bca5 100644
--- a/asset-transfer-private-data/chaincode-go/go.sum
+++ b/asset-transfer-private-data/chaincode-go/go.sum
@@ -165,6 +165,8 @@ github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2p
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
 github.com/hyperledger/fabric-chaincode-go v0.0.0-20220720122508-9207360bbddd h1:AIa0b7UPrt8e1YN4/68vhNnPxy/Mrgq9d2bYJ6O/KTE=
 github.com/hyperledger/fabric-chaincode-go v0.0.0-20220720122508-9207360bbddd/go.mod h1:OxME3M0bbgoWYHpXIVMzpbXgFqrTZnFmlH0Cpml54m0=
+github.com/hyperledger/fabric-chaincode-go v0.0.0-20220920210243-7bc6fa0dd58b h1:MGT5rdajc4zbsbU7yMzkLJmsiRwJk5gBX5OdpU117Bg=
+github.com/hyperledger/fabric-chaincode-go v0.0.0-20220920210243-7bc6fa0dd58b/go.mod h1:OxME3M0bbgoWYHpXIVMzpbXgFqrTZnFmlH0Cpml54m0=
 github.com/hyperledger/fabric-contract-api-go v1.2.0 h1:BmArPRmTjiC2brHk2FNlDoJ8bOI0ExKZhj2YqWAiv5o=
 github.com/hyperledger/fabric-contract-api-go v1.2.0/go.mod h1:GU2NV95E5LNkFTCL3xcPgXzi8QNLXBZhx7DGnKskuqw=
 github.com/hyperledger/fabric-protos-go v0.0.0-20220613214546-bf864f01d75e h1:Ae2p0e+v5ekrl4KgkbCStBTSoV67Cg9fPkEWrv0f3nk=
diff --git a/asset-transfer-private-data/chaincode-java/build.gradle b/asset-transfer-private-data/chaincode-java/build.gradle
index bc59a38f..e5acd742 100644
--- a/asset-transfer-private-data/chaincode-java/build.gradle
+++ b/asset-transfer-private-data/chaincode-java/build.gradle
@@ -14,7 +14,7 @@ version '1.0-SNAPSHOT'
 
 dependencies {
     
-    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
+    implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.5.+'
     implementation 'org.json:json:+'
 
     testImplementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.+'
diff --git a/asset-transfer-private-data/chaincode-java/src/main/java/org/hyperledger/fabric/samples/privatedata/AssetTransfer.java b/asset-transfer-private-data/chaincode-java/src/main/java/org/hyperledger/fabric/samples/privatedata/AssetTransfer.java
index 94a261c4..eac72319 100644
--- a/asset-transfer-private-data/chaincode-java/src/main/java/org/hyperledger/fabric/samples/privatedata/AssetTransfer.java
+++ b/asset-transfer-private-data/chaincode-java/src/main/java/org/hyperledger/fabric/samples/privatedata/AssetTransfer.java
@@ -488,6 +488,9 @@ public final class AssetTransfer implements ContractInterface {
      * Deletes a asset & related details from the ledger.
      * Input in transient map: asset_delete
      *
+     * This deletes the private data, but does not trigger an immediate cleanup
+     * of the history. To specifically force removal right now use purge
+     *
      * @param ctx the transaction context
      */
     @Transaction(intent = Transaction.TYPE.SUBMIT)
@@ -539,6 +542,53 @@ public final class AssetTransfer implements ContractInterface {
         stub.delPrivateData(ownersCollectionName, assetID);
     }
 
+    /**
+     * Purges the history of the asset from Private Data
+     * (delete does not need to be called as well)
+     * Input in transient map: asset_delete
+     *
+     * @param ctx the transaction context
+     */
+    @Transaction(intent = Transaction.TYPE.SUBMIT)
+    public void PurgeAsset(final Context ctx) {
+        ChaincodeStub stub = ctx.getStub();
+        Map<String, byte[]> transientMap = ctx.getStub().getTransient();
+        if (!transientMap.containsKey("asset_purge")) {
+            String errorMessage = String.format("PurgeAsset call must specify 'asset_purge' in Transient map input");
+            System.err.println(errorMessage);
+            throw new ChaincodeException(errorMessage, AssetTransferErrors.INCOMPLETE_INPUT.toString());
+        }
+
+        byte[] transientAssetJSON = transientMap.get("asset_purge");
+        final String assetID;
+
+        try {
+            JSONObject json = new JSONObject(new String(transientAssetJSON, UTF_8));
+            assetID = json.getString("assetID");
+
+        } catch (Exception err) {
+            String errorMessage = String.format("TransientMap deserialized error: %s ", err);
+            System.err.println(errorMessage);
+            throw new ChaincodeException(errorMessage, AssetTransferErrors.INCOMPLETE_INPUT.toString());
+        }
+
+        // Note that there is no check here to see if the id exist; it might have been 'deleted' already
+        // so a check here is pointless. We would need to call purge irrespective of the result
+        // A delete can be called before purge, but is not essential
+
+        String ownersCollectionName = getCollectionName(ctx);
+        verifyClientOrgMatchesPeerOrg(ctx);
+
+        // delete the key from asset collection
+        System.out.printf("PurgeAsset: collection %s, ID %s\n", ASSET_COLLECTION_NAME, assetID);
+        stub.purgePrivateData(ASSET_COLLECTION_NAME, assetID);
+
+        // Finally, delete private details of asset
+        System.out.printf("PurgeAsset: collection %s, ID %s\n", ownersCollectionName, assetID);
+        stub.purgePrivateData(ownersCollectionName, assetID);
+    }
+
+
     // Used by TransferAsset to verify that the transfer is being initiated by the owner and that
     // the buyer has agreed to the same appraisal value as the owner
     private void verifyAgreement(final Context ctx, final String assetID, final String owner, final String buyerMSP) {
diff --git a/ci/scripts/lint-java.sh b/ci/scripts/lint-java.sh
index 327a91e7..472b8571 100755
--- a/ci/scripts/lint-java.sh
+++ b/ci/scripts/lint-java.sh
@@ -8,6 +8,7 @@ function print() {
 	echo -e "${GREEN}${1}${NC}"
 }
 
+# remove the java asset-private-data until the publishing issues have been resolved
 dirs=("$(find . -name "*-java" -type d -not -path '*/.*')")
 for dir in $dirs; do
   print "Linting $dir"
diff --git a/commercial-paper/organization/digibank/contract-java/src/main/java/org/example/CommercialPaperContract.java b/commercial-paper/organization/digibank/contract-java/src/main/java/org/example/CommercialPaperContract.java
index a75f47e3..a46a7038 100644
--- a/commercial-paper/organization/digibank/contract-java/src/main/java/org/example/CommercialPaperContract.java
+++ b/commercial-paper/organization/digibank/contract-java/src/main/java/org/example/CommercialPaperContract.java
@@ -107,7 +107,7 @@ public class CommercialPaperContract implements ContractInterface {
             String newOwner, int price, String purchaseDateTime) {
 
         // Retrieve the current paper using key fields provided
-        String paperKey = State.makeKey(new String[] { paperNumber });
+        String paperKey = State.makeKey(new String[] { issuer, paperNumber });
         CommercialPaper paper = ctx.paperList.getPaper(paperKey);
 
         // Validate current owner
@@ -146,7 +146,7 @@ public class CommercialPaperContract implements ContractInterface {
     public CommercialPaper redeem(CommercialPaperContext ctx, String issuer, String paperNumber, String redeemingOwner,
             String redeemDateTime) {
 
-        String paperKey = CommercialPaper.makeKey(new String[] { paperNumber });
+        String paperKey = CommercialPaper.makeKey(new String[] { issuer, paperNumber });
 
         CommercialPaper paper = ctx.paperList.getPaper(paperKey);
 
diff --git a/commercial-paper/organization/magnetocorp/contract-java/src/main/java/org/example/CommercialPaperContract.java b/commercial-paper/organization/magnetocorp/contract-java/src/main/java/org/example/CommercialPaperContract.java
index a781c360..a04e62db 100644
--- a/commercial-paper/organization/magnetocorp/contract-java/src/main/java/org/example/CommercialPaperContract.java
+++ b/commercial-paper/organization/magnetocorp/contract-java/src/main/java/org/example/CommercialPaperContract.java
@@ -107,7 +107,7 @@ public class CommercialPaperContract implements ContractInterface {
             String newOwner, int price, String purchaseDateTime) {
 
         // Retrieve the current paper using key fields provided
-        String paperKey = State.makeKey(new String[] { paperNumber });
+        String paperKey = State.makeKey(new String[] { issuer, paperNumber });
         CommercialPaper paper = ctx.paperList.getPaper(paperKey);
 
         // Validate current owner
@@ -146,7 +146,7 @@ public class CommercialPaperContract implements ContractInterface {
     public CommercialPaper redeem(CommercialPaperContext ctx, String issuer, String paperNumber, String redeemingOwner,
             String redeemDateTime) {
 
-        String paperKey = CommercialPaper.makeKey(new String[] { paperNumber });
+        String paperKey = CommercialPaper.makeKey(new String[] {issuer, paperNumber });
 
         CommercialPaper paper = ctx.paperList.getPaper(paperKey);
 
diff --git a/interest_rate_swaps/network/configtx.yaml b/interest_rate_swaps/network/configtx.yaml
index 2d1c6cae..43948e72 100644
--- a/interest_rate_swaps/network/configtx.yaml
+++ b/interest_rate_swaps/network/configtx.yaml
@@ -269,13 +269,11 @@ Capabilities:
     # used with prior release orderers.
     # Set the value of the capability to true to require it.
     Application: &ApplicationCapabilities
-        # V2_0 application capability ensures that peers behave according
-        # to v2.0 application capabilities. Peers from
-        # prior releases would behave in an incompatible way, and are therefore
-        # not able to participate in channels at v2.0 application capability.
-        # Prior to enabling V2.0 application capabilities, ensure that all
-        # peers on channel are at v2.0.0 or later.
-        V2_0: true
+        # V2.5 for Application enables the new non-backwards compatible
+        # features of fabric v2.5, namely the ability to purge private data.
+        # Prior to enabling V2.5 application capabilities, ensure that all
+        # peers on a channel are at v2.5.0 or later.
+        V2_5: true
 
 ################################################################################
 #
diff --git a/test-network-nano-bash/configtx.yaml b/test-network-nano-bash/configtx.yaml
index e1634014..0a0c05d6 100644
--- a/test-network-nano-bash/configtx.yaml
+++ b/test-network-nano-bash/configtx.yaml
@@ -163,13 +163,11 @@ Capabilities:
     # used with prior release orderers.
     # Set the value of the capability to true to require it.
     Application: &ApplicationCapabilities
-        # V2_0 application capability ensures that peers behave according
-        # to v2.0 application capabilities. Peers from
-        # prior releases would behave in an incompatible way, and are therefore
-        # not able to participate in channels at v2.0 application capability.
-        # Prior to enabling V2.0 application capabilities, ensure that all
-        # peers on channel are at v2.0.0 or later.
-        V2_0: true
+        # V2.5 for Application enables the new non-backwards compatible
+        # features of fabric v2.5, namely the ability to purge private data.
+        # Prior to enabling V2.5 application capabilities, ensure that all
+        # peers on a channel are at v2.5.0 or later.
+        V2_5: true
 
 ################################################################################
 #
diff --git a/test-network/configtx/configtx.yaml b/test-network/configtx/configtx.yaml
index 48bd1d75..01fb15fb 100644
--- a/test-network/configtx/configtx.yaml
+++ b/test-network/configtx/configtx.yaml
@@ -129,6 +129,7 @@ Capabilities:
         # Prior to enabling V2.0 channel capabilities, ensure that all
         # orderers and peers on a channel are at v2.0.0 or later.
         V2_0: true
+        
 
     # Orderer capabilities apply only to the orderers, and may be safely
     # used with prior release peers.
@@ -146,13 +147,11 @@ Capabilities:
     # used with prior release orderers.
     # Set the value of the capability to true to require it.
     Application: &ApplicationCapabilities
-        # V2_0 application capability ensures that peers behave according
-        # to v2.0 application capabilities. Peers from
-        # prior releases would behave in an incompatible way, and are therefore
-        # not able to participate in channels at v2.0 application capability.
-        # Prior to enabling V2.0 application capabilities, ensure that all
-        # peers on channel are at v2.0.0 or later.
-        V2_0: true
+        # V2.5 for Application enables the new non-backwards compatible
+        # features of fabric v2.5, namely the ability to purge private data.
+        # Prior to enabling V2.5 application capabilities, ensure that all
+        # peers on a channel are at v2.5.0 or later.
+        V2_5: true
 
 ################################################################################
 #