diff --git a/packages/xrpl/src/models/transactions/escrowCancel.ts b/packages/xrpl/src/models/transactions/escrowCancel.ts
index 91863913..b51649a4 100644
--- a/packages/xrpl/src/models/transactions/escrowCancel.ts
+++ b/packages/xrpl/src/models/transactions/escrowCancel.ts
@@ -15,7 +15,12 @@ export interface EscrowCancel extends BaseTransaction {
    * Transaction sequence (or Ticket  number) of EscrowCreate transaction that.
    * created the escrow to cancel.
    */
-  OfferSequence: number
+  OfferSequence?: number
+  /**
+   * The ID of the Escrow ledger object to cancel as a 64-character hexadecimal
+   * string.
+   */
+  EscrowID?: string
 }
 
 /**
@@ -35,11 +40,17 @@ export function validateEscrowCancel(tx: Record<string, unknown>): void {
     throw new ValidationError('EscrowCancel: Owner must be a string')
   }
 
-  if (tx.OfferSequence === undefined) {
-    throw new ValidationError('EscrowCancel: missing OfferSequence')
+  if (tx.OfferSequence === undefined && tx.EscrowID === undefined) {
+    throw new ValidationError(
+      'EscrowCancel: must include OfferSequence or EscrowID',
+    )
   }
 
-  if (typeof tx.OfferSequence !== 'number') {
-    throw new ValidationError('EscrowCancel: OfferSequence must be a number')
+  if (tx.OfferSequence !== undefined && typeof tx.OfferSequence !== 'number') {
+    throw new ValidationError('EscrowCancel: invalid OfferSequence')
+  }
+
+  if (tx.EscrowID !== undefined && typeof tx.EscrowID !== 'string') {
+    throw new ValidationError('EscrowCancel: invalid EscrowID')
   }
 }
diff --git a/packages/xrpl/src/models/transactions/offerCancel.ts b/packages/xrpl/src/models/transactions/offerCancel.ts
index 4989d188..aba388ed 100644
--- a/packages/xrpl/src/models/transactions/offerCancel.ts
+++ b/packages/xrpl/src/models/transactions/offerCancel.ts
@@ -15,7 +15,12 @@ export interface OfferCancel extends BaseTransaction {
    * created by that transaction. It is not considered an error if the offer.
    * specified does not exist.
    */
-  OfferSequence: number
+  OfferSequence?: number
+  /**
+   * The ID of the Escrow ledger object to cancel as a 64-character hexadecimal
+   * string.
+   */
+  OfferID?: string
 }
 
 /**
@@ -27,11 +32,17 @@ export interface OfferCancel extends BaseTransaction {
 export function validateOfferCancel(tx: Record<string, unknown>): void {
   validateBaseTransaction(tx)
 
-  if (tx.OfferSequence === undefined) {
-    throw new ValidationError('OfferCancel: missing field OfferSequence')
+  if (tx.OfferSequence === undefined && tx.OfferID === undefined) {
+    throw new ValidationError(
+      'OfferCancel: must include OfferSequence or OfferID',
+    )
   }
 
-  if (typeof tx.OfferSequence !== 'number') {
-    throw new ValidationError('OfferCancel: OfferSequence must be a number')
+  if (tx.OfferSequence !== undefined && typeof tx.OfferSequence !== 'number') {
+    throw new ValidationError('OfferCancel: invalid OfferSequence')
+  }
+
+  if (tx.OfferID !== undefined && typeof tx.OfferID !== 'string') {
+    throw new ValidationError('OfferCancel: invalid OfferID')
   }
 }
diff --git a/packages/xrpl/src/models/transactions/offerCreate.ts b/packages/xrpl/src/models/transactions/offerCreate.ts
index 07f9d341..e8bad100 100644
--- a/packages/xrpl/src/models/transactions/offerCreate.ts
+++ b/packages/xrpl/src/models/transactions/offerCreate.ts
@@ -103,6 +103,11 @@ export interface OfferCreate extends BaseTransaction {
   Expiration?: number
   /** An offer to delete first, specified in the same way as OfferCancel. */
   OfferSequence?: number
+  /**
+   * The ID of the Offer ledger object to cancel as a 64-character hexadecimal
+   * string.
+   */
+  OfferID?: string
   /** The amount and type of currency being provided by the offer creator. */
   TakerGets: Amount
   /** The amount and type of currency being requested by the offer creator. */
@@ -141,4 +146,8 @@ export function validateOfferCreate(tx: Record<string, unknown>): void {
   if (tx.OfferSequence !== undefined && typeof tx.OfferSequence !== 'number') {
     throw new ValidationError('OfferCreate: invalid OfferSequence')
   }
+
+  if (tx.OfferID !== undefined && typeof tx.OfferID !== 'string') {
+    throw new ValidationError('OfferCreate: invalid OfferID')
+  }
 }