diff --git a/packages/bundler/src/BundlerServer.ts b/packages/bundler/src/BundlerServer.ts
index 492904d8..372f1d84 100644
--- a/packages/bundler/src/BundlerServer.ts
+++ b/packages/bundler/src/BundlerServer.ts
@@ -95,8 +95,7 @@ export class BundlerServer {
       callGasLimit: 0,
       maxFeePerGas: 0,
       maxPriorityFeePerGas: 0,
-      signature: '0x',
-      authorizationList: []
+      signature: '0x'
     }
     // await EntryPoint__factory.connect(this.config.entryPoint,this.provider).callStatic.addStake(0)
     try {
diff --git a/packages/bundler/src/MethodHandlerERC4337.ts b/packages/bundler/src/MethodHandlerERC4337.ts
index 751f80f6..2da5e847 100644
--- a/packages/bundler/src/MethodHandlerERC4337.ts
+++ b/packages/bundler/src/MethodHandlerERC4337.ts
@@ -124,7 +124,7 @@ export class MethodHandlerERC4337 {
     entryPointInput: string,
     stateOverride?: StateOverride
   ): Promise<EstimateUserOpGasResult> {
-    if (!this.config.eip7702Support && userOp1.authorizationList != null && userOp1.authorizationList.length !== 0) {
+    if (!this.config.eip7702Support && userOp1.eip7712auth != null) {
       throw new Error('EIP-7702 tuples are not supported')
     }
     const userOp: UserOperation = {
@@ -192,12 +192,12 @@ export class MethodHandlerERC4337 {
   }
 
   async sendUserOperation (userOp: UserOperation, entryPointInput: string): Promise<string> {
-    if (!this.config.eip7702Support && userOp.authorizationList != null && userOp.authorizationList.length !== 0) {
+    if (!this.config.eip7702Support && userOp.eip7712auth != null) {
       throw new Error('EIP-7702 tuples are not supported')
     }
     await this._validateParameters(userOp, entryPointInput)
 
-    debug(`UserOperation: Sender=${userOp.sender}  Nonce=${tostr(userOp.nonce)} EntryPoint=${entryPointInput} Paymaster=${userOp.paymaster ?? ''} EIP-7702TuplesSize=${userOp.authorizationList?.length}`)
+    debug(`UserOperation: Sender=${userOp.sender}  Nonce=${tostr(userOp.nonce)} EntryPoint=${entryPointInput} Paymaster=${userOp.paymaster ?? ''} ${userOp.eip7712auth != null ? 'eip-7702 auth' : ''}`)
     await this.execManager.sendUserOperation(userOp, entryPointInput, false)
     return await this.entryPoint.getUserOpHash(packUserOp(userOp))
   }
diff --git a/packages/bundler/src/modules/BundleManager.ts b/packages/bundler/src/modules/BundleManager.ts
index 3974c4f2..a753a16e 100644
--- a/packages/bundler/src/modules/BundleManager.ts
+++ b/packages/bundler/src/modules/BundleManager.ts
@@ -23,7 +23,7 @@ import {
   getEip7702AuthorizationSigner,
   mergeStorageMap,
   packUserOp,
-  getUserOpHash
+  getUserOpHash, getAuthorizationList
 } from '@account-abstraction/utils'
 
 import { EventsManager } from './EventsManager'
@@ -410,7 +410,8 @@ export class BundleManager implements IBundleManager {
       }
       mergeStorageMap(storageMap, validationResult.storageMap)
 
-      for (const eip7702Authorization of entry.userOp.authorizationList ?? []) {
+      const authorizationList = getAuthorizationList(entry.userOp)
+      for (const eip7702Authorization of authorizationList) {
         const existingAuthorization = sharedAuthorizationList
           .find(it => {
             return getEip7702AuthorizationSigner(it) === getEip7702AuthorizationSigner(eip7702Authorization)
@@ -420,8 +421,8 @@ export class BundleManager implements IBundleManager {
           // eslint-disable-next-line no-labels
           continue mainLoop
         }
-        if (existingAuthorization == null && entry.userOp.authorizationList != null) {
-          sharedAuthorizationList.push(...entry.userOp.authorizationList)
+        if (existingAuthorization == null && authorizationList.length > 0) {
+          sharedAuthorizationList.push(...authorizationList)
         }
       }
 
diff --git a/packages/bundler/test/BundlerManager.test.ts b/packages/bundler/test/BundlerManager.test.ts
index 44d46298..a855f33c 100644
--- a/packages/bundler/test/BundlerManager.test.ts
+++ b/packages/bundler/test/BundlerManager.test.ts
@@ -78,8 +78,7 @@ describe('#BundlerManager', () => {
       verificationGasLimit: 7,
       maxFeePerGas: 8,
       maxPriorityFeePerGas: 9,
-      preVerificationGas: 10,
-      authorizationList: []
+      preVerificationGas: 10
     }
 
     const hash = await entryPoint.getUserOpHash(packUserOp(userOp))
@@ -161,8 +160,7 @@ describe('#BundlerManager', () => {
         verificationGasLimit: '0x50000',
         maxFeePerGas: '0x0',
         maxPriorityFeePerGas: '0x0',
-        preVerificationGas: '0x50000',
-        authorizationList: []
+        preVerificationGas: '0x50000'
       }
       const userOp1: UserOperation = {
         ...cEmptyUserOp,
diff --git a/packages/bundler/test/UserOpMethodHandler.test.ts b/packages/bundler/test/UserOpMethodHandler.test.ts
index ec319d68..84d44af8 100644
--- a/packages/bundler/test/UserOpMethodHandler.test.ts
+++ b/packages/bundler/test/UserOpMethodHandler.test.ts
@@ -345,8 +345,7 @@ describe('UserOpMethodHandler', function () {
         preVerificationGas: 50000,
         maxFeePerGas: 1e6,
         maxPriorityFeePerGas: 1e6,
-        signature: Buffer.from('emit-msg'),
-        authorizationList: []
+        signature: Buffer.from('emit-msg')
       }
       await entryPoint.depositTo(acc.address, { value: parseEther('1') })
       // await signer.sendTransaction({to:acc.address, value: parseEther('1')})
diff --git a/packages/bundler/test/ValidateManager.test.ts b/packages/bundler/test/ValidateManager.test.ts
index 4d7bc48f..129869bf 100644
--- a/packages/bundler/test/ValidateManager.test.ts
+++ b/packages/bundler/test/ValidateManager.test.ts
@@ -45,8 +45,7 @@ const cEmptyUserOp: UserOperation = {
   verificationGasLimit: 50000,
   maxFeePerGas: 0,
   maxPriorityFeePerGas: 0,
-  preVerificationGas: 0,
-  authorizationList: []
+  preVerificationGas: 0
 }
 
 describe('#ValidationManager', () => {
diff --git a/packages/sdk/test/0-utils.test.ts b/packages/sdk/test/0-utils.test.ts
index c687b50f..68c4be02 100644
--- a/packages/sdk/test/0-utils.test.ts
+++ b/packages/sdk/test/0-utils.test.ts
@@ -63,8 +63,7 @@ describe('utils', () => {
         callData: '333',
         maxFeePerGas: 5,
         maxPriorityFeePerGas: 6,
-        signature: '777',
-        authorizationList: []
+        signature: '777'
       })).to.eql({
         sender: 'a',
         nonce: '0x01',
@@ -95,8 +94,7 @@ describe('utils', () => {
         paymaster,
         paymasterVerificationGasLimit: 8,
         paymasterPostOpGasLimit: 9,
-        paymasterData: '0xcafebabe',
-        authorizationList: []
+        paymasterData: '0xcafebabe'
       })).to.eql({
         sender: 'a',
         nonce: '0x01',
diff --git a/packages/sdk/test/1-SimpleAccountAPI.test.ts b/packages/sdk/test/1-SimpleAccountAPI.test.ts
index 03eadf3c..ed6a052d 100644
--- a/packages/sdk/test/1-SimpleAccountAPI.test.ts
+++ b/packages/sdk/test/1-SimpleAccountAPI.test.ts
@@ -53,8 +53,7 @@ describe('SimpleAccountAPI', () => {
       preVerificationGas: 7,
       maxFeePerGas: 8,
       maxPriorityFeePerGas: 9,
-      signature: '0xbbbb',
-      authorizationList: []
+      signature: '0xbbbb'
     }
     const hash = await api.getUserOpHash(userOp)
     const epHash = await entryPoint.getUserOpHash(packUserOp(userOp))
diff --git a/packages/utils/src/ERC4337Utils.ts b/packages/utils/src/ERC4337Utils.ts
index b1b9e0d1..13f2815d 100644
--- a/packages/utils/src/ERC4337Utils.ts
+++ b/packages/utils/src/ERC4337Utils.ts
@@ -174,8 +174,7 @@ export function unpackUserOp (packed: PackedUserOperation): UserOperation {
     callGasLimit,
     maxFeePerGas,
     maxPriorityFeePerGas,
-    signature: packed.signature,
-    authorizationList: []
+    signature: packed.signature
   }
   if (packed.initCode != null && packed.initCode.length > 2) {
     const factory = hexDataSlice(packed.initCode, 0, 20)
diff --git a/packages/utils/src/Utils.ts b/packages/utils/src/Utils.ts
index 1bde3b0b..09302a24 100644
--- a/packages/utils/src/Utils.ts
+++ b/packages/utils/src/Utils.ts
@@ -10,6 +10,7 @@ import { PackedUserOperationStruct } from './soltypes'
 import { UserOperation } from './interfaces/UserOperation'
 import { OperationBase } from './interfaces/OperationBase'
 import { OperationRIP7560 } from './interfaces/OperationRIP7560'
+import { EIP7702Authorization } from './interfaces/EIP7702Authorization'
 
 export interface SlotMap {
   [slot: string]: string
@@ -236,3 +237,12 @@ export function getPackedNonce (userOp: OperationBase): BigNumber {
   const bigNumberNonce = BigNumber.from(packed)
   return bigNumberNonce
 }
+
+export function getAuthorizationList (op: OperationBase): EIP7702Authorization[] {
+  const userOp = op as UserOperation
+  if (userOp.eip7712auth != null) {
+    return [userOp.eip7712auth]
+  } else {
+    return (op as OperationRIP7560).authorizationList ?? []
+  }
+}
diff --git a/packages/utils/src/interfaces/OperationBase.ts b/packages/utils/src/interfaces/OperationBase.ts
index ec540598..cddf756f 100644
--- a/packages/utils/src/interfaces/OperationBase.ts
+++ b/packages/utils/src/interfaces/OperationBase.ts
@@ -1,7 +1,5 @@
 import { BigNumberish, BytesLike } from 'ethers'
 
-import { EIP7702Authorization } from './EIP7702Authorization'
-
 /**
  * The operation interface that is shared by ERC-4337 and RIP-7560 types.
  */
@@ -22,5 +20,4 @@ export interface OperationBase {
   verificationGasLimit: BigNumberish
   paymasterVerificationGasLimit?: BigNumberish
   paymasterPostOpGasLimit?: BigNumberish
-  authorizationList?: EIP7702Authorization[]
 }
diff --git a/packages/utils/src/interfaces/OperationRIP7560.ts b/packages/utils/src/interfaces/OperationRIP7560.ts
index c05161de..4bd7dd9c 100644
--- a/packages/utils/src/interfaces/OperationRIP7560.ts
+++ b/packages/utils/src/interfaces/OperationRIP7560.ts
@@ -1,5 +1,6 @@
 import { OperationBase } from './OperationBase'
 import { BigNumberish, BytesLike } from 'ethers'
+import { EIP7702Authorization } from './EIP7702Authorization'
 
 export interface OperationRIP7560 extends OperationBase {
   chainId: BigNumberish
@@ -12,4 +13,6 @@ export interface OperationRIP7560 extends OperationBase {
 
   // todo: we discussed using 'nonceKey' in the JSON schema for ERC-4337 as well but we did not finalize this decision
   nonceKey: BigNumberish
+
+  authorizationList?: EIP7702Authorization[]
 }
diff --git a/packages/utils/src/interfaces/UserOperation.ts b/packages/utils/src/interfaces/UserOperation.ts
index f7bc0fff..61a16e77 100644
--- a/packages/utils/src/interfaces/UserOperation.ts
+++ b/packages/utils/src/interfaces/UserOperation.ts
@@ -1,5 +1,6 @@
 import { BigNumberish, BytesLike } from 'ethers'
 import { OperationBase } from './OperationBase'
+import { EIP7702Authorization } from './EIP7702Authorization'
 
 export interface UserOperation extends OperationBase {
   // these fields have same meaning but different names between ERC-4337 and RIP-7560/RIP-7712
@@ -8,4 +9,5 @@ export interface UserOperation extends OperationBase {
   nonce: BigNumberish
 
   preVerificationGas: BigNumberish
+  eip7712auth?: EIP7702Authorization
 }
diff --git a/packages/validation-manager/src/ValidationManager.ts b/packages/validation-manager/src/ValidationManager.ts
index 6a69a8e3..cd56b406 100644
--- a/packages/validation-manager/src/ValidationManager.ts
+++ b/packages/validation-manager/src/ValidationManager.ts
@@ -28,7 +28,7 @@ import {
   packUserOp,
   requireAddressAndFields,
   requireCond,
-  runContractScript
+  runContractScript, getAuthorizationList
 } from '@account-abstraction/utils'
 
 import { tracerResultParser } from './TracerResultParser'
@@ -222,7 +222,7 @@ export class ValidationManager implements IValidationManager {
       addresses: [],
       hash: ''
     }
-    const stateOverrideForEip7702 = await this.getAuthorizationsStateOverride(userOp.authorizationList ?? [])
+    const stateOverrideForEip7702 = await this.getAuthorizationsStateOverride(getAuthorizationList(userOp))
     let storageMap: StorageMap = {}
     if (!this.unsafe) {
       let tracerResult: BundlerTracerResult