diff --git a/modules/sdk-coin-icp/src/icp.ts b/modules/sdk-coin-icp/src/icp.ts
index 0440aff66c3..0e3930b8a39 100644
--- a/modules/sdk-coin-icp/src/icp.ts
+++ b/modules/sdk-coin-icp/src/icp.ts
@@ -259,6 +259,10 @@ export class Icp extends BaseCoin {
     return 'ecdsa';
   }
 
+  allowsAccountConsolidations(): boolean {
+    return true; // platform enforces V2-only (CECHO-2443)
+  }
+
   /** @inheritDoc **/
   getHashFunction(): Hash {
     return createHash('sha256');
diff --git a/modules/sdk-coin-icp/test/unit/icp.ts b/modules/sdk-coin-icp/test/unit/icp.ts
index b44873664b6..ab36420ac7c 100644
--- a/modules/sdk-coin-icp/test/unit/icp.ts
+++ b/modules/sdk-coin-icp/test/unit/icp.ts
@@ -1,5 +1,6 @@
 import { TestBitGo, TestBitGoAPI } from '@bitgo/sdk-test';
 import { BitGoAPI } from '@bitgo/sdk-api';
+import { Ecdsa } from '@bitgo/sdk-core';
 import utils from '../../src/lib/utils';
 import { getBuilderFactory } from './getBuilderFactory';
 
@@ -430,8 +431,9 @@ describe('Internet computer', function () {
       });
     });
 
-    describe('Wallet VersionKey 2+', () => {
+    describe('V2 non-memoId wallets', () => {
       let keychains;
+      let derivedAddressAtIndex1: string;
 
       before(function () {
         keychains = [
@@ -439,6 +441,12 @@ describe('Internet computer', function () {
           { commonKeychain: addressVerificationData.commonKeychain },
           { commonKeychain: addressVerificationData.commonKeychain },
         ];
+        // Mirror addressVerification.ts:88-97: secp256k1 path m/{index}, first 33 bytes.
+        derivedAddressAtIndex1 = utils.getAddressFromPublicKey(
+          Buffer.from(new Ecdsa().deriveUnhardened(addressVerificationData.commonKeychain, 'm/1'), 'hex')
+            .subarray(0, 33)
+            .toString('hex')
+        );
       });
 
       it('should verify a valid TSS root address (index 0)', async function () {
@@ -454,6 +462,50 @@ describe('Internet computer', function () {
         result.should.equal(true);
       });
 
+      it('should verify a derived address at index 1', async function () {
+        const params = {
+          address: derivedAddressAtIndex1,
+          rootAddress: addressVerificationData.rootAddress,
+          keychains: keychains,
+          index: 1,
+          walletVersion: 2,
+        };
+
+        const result = await basecoin.isWalletAddress(params);
+        result.should.equal(true);
+      });
+
+      it('should reject when derived index-1 address is verified at index 0', async function () {
+        const params = {
+          address: derivedAddressAtIndex1,
+          rootAddress: addressVerificationData.rootAddress,
+          keychains: keychains,
+          index: 0,
+          walletVersion: 2,
+        };
+
+        await basecoin
+          .isWalletAddress(params)
+          .should.be.rejectedWith(
+            `address validation failure: address ${derivedAddressAtIndex1} is not a wallet address`
+          );
+      });
+
+      it('should reject memo-suffixed addresses for V2 wallets', async function () {
+        const addressWithMemo = `${addressVerificationData.rootAddress}?memoId=5`;
+        const params = {
+          address: addressWithMemo,
+          rootAddress: addressVerificationData.rootAddress,
+          keychains: keychains,
+          index: 0,
+          walletVersion: 2,
+        };
+
+        await basecoin
+          .isWalletAddress(params)
+          .should.be.rejectedWith(`address validation failure: address ${addressWithMemo} is not a wallet address`);
+      });
+
       it('should throw error for invalid TSS address', async function () {
         const invalidAddress = testData.Accounts.account2.address;
 
diff --git a/modules/sdk-coin-icp/test/unit/transaction.ts b/modules/sdk-coin-icp/test/unit/transaction.ts
index b92217c99d1..b73c34d514f 100644
--- a/modules/sdk-coin-icp/test/unit/transaction.ts
+++ b/modules/sdk-coin-icp/test/unit/transaction.ts
@@ -60,6 +60,22 @@ describe('ICP Transaction', () => {
     payloadsData.payloads.length.should.equal(1);
   });
 
+  it('should preserve memo suffix on receiver address when building a transfer', async () => {
+    const txn = new Transaction(config);
+    txn.icpTransactionData = testData.IcpTransactionData;
+    const factory = getBuilderFactory('ticp');
+    const txBuilder = factory.getTransferBuilder();
+    txBuilder.initBuilder(txn);
+    txBuilder.sender(testData.Accounts.account1.address, testData.Accounts.account1.publicKey);
+    txBuilder.receiverId(testData.Accounts.account6.address);
+    txBuilder.amount('10');
+    txBuilder.memo(Number(testData.MetaDataWithMemo.memo));
+    await txBuilder.build();
+
+    const icpTransaction = txBuilder.transaction.icpTransaction;
+    should.equal(icpTransaction.operations[1].account.address, testData.Accounts.account6.address);
+  });
+
   it('build a json transaction from raw hex', async () => {
     await tx.fromRawTransaction(serializedTxHex);
     const json = tx.toJson();
diff --git a/modules/sdk-coin-icp/test/unit/transactionBuilder/transactionBuilder.ts b/modules/sdk-coin-icp/test/unit/transactionBuilder/transactionBuilder.ts
index 22d4ea4c768..999dd5f0169 100644
--- a/modules/sdk-coin-icp/test/unit/transactionBuilder/transactionBuilder.ts
+++ b/modules/sdk-coin-icp/test/unit/transactionBuilder/transactionBuilder.ts
@@ -207,6 +207,7 @@ describe('ICP Transaction Builder with default memo as 0', async () => {
     should.equal(icpTransaction.metadata.memo, DEFAULT_MEMO);
     should.equal(icpTransaction.operations[0].account.address, testData.Accounts.account1.address);
     should.equal(icpTransaction.operations[1].account.address, testData.Accounts.account2.address);
+    should.equal(icpTransaction.operations[2].account.address, testData.Accounts.account1.address);
     should.equal(icpTransaction.operations[0].amount.value, '-10');
     should.equal(icpTransaction.operations[1].amount.value, '10');
     should.equal(icpTransaction.operations[2].amount.value, '-10000');