diff --git a/shared/requests/submit.yaml b/shared/requests/submit.yaml
index afe2e48..ad561d4 100644
--- a/shared/requests/submit.yaml
+++ b/shared/requests/submit.yaml
@@ -79,6 +79,7 @@ components:
               AMMVote: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
               AMMWithdraw: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
               CheckCancel: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+              CheckCash: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
           oneOf:
             - $ref: '../transactions/payment.yaml#/components/schemas/PaymentTransactionV1'
             - $ref: '../transactions/oracle_set.yaml#/components/schemas/OracleSetTransaction'
@@ -91,6 +92,7 @@ components:
             - $ref: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
             - $ref: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
             - $ref: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+            - $ref: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
             # TODO: Add other transaction types here
 
           description: 'Transaction definition in JSON format, optionally omitting any auto-fillable fields.'
@@ -118,6 +120,7 @@ components:
               AMMVote: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
               AMMWithdraw: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
               CheckCancel: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+              CheckCash: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
           oneOf:
             - $ref: '../transactions/payment.yaml#/components/schemas/PaymentTransactionV2'
             - $ref: '../transactions/oracle_set.yaml#/components/schemas/OracleSetTransaction'
@@ -130,6 +133,7 @@ components:
             - $ref: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
             - $ref: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
             - $ref: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+            - $ref: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
             # TODO: Add other transaction types here
           description: 'Transaction definition in JSON format, optionally omitting any auto-fillable fields.'
       required:
@@ -216,6 +220,7 @@ components:
               AMMVote: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
               AMMWithdraw: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
               CheckCancel: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+              CheckCash: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
               # TODO: Add other transaction types here
           oneOf:
             - $ref: '../transactions/payment.yaml#/components/schemas/PaymentTransactionV1'
@@ -229,6 +234,7 @@ components:
             - $ref: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
             - $ref: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
             - $ref: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+            - $ref: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
             # TODO: Add other transaction types here
 
     SubmitSuccessResponseV2:
@@ -251,6 +257,7 @@ components:
               AMMVote: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
               AMMWithdraw: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
               CheckCancel: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+              CheckCash: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
               # TODO: Add other transaction types here
           oneOf:
             - $ref: '../transactions/payment.yaml#/components/schemas/PaymentTransactionV2'
@@ -264,6 +271,7 @@ components:
             - $ref: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteTransaction'
             - $ref: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawTransaction'
             - $ref: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelTransaction'
+            - $ref: '../transactions/check_cash.yaml#/components/schemas/CheckCashTransaction'
             # TODO: Add other transaction types here
 
     SubmitErrorResponse:
@@ -280,6 +288,7 @@ components:
             - $ref: '../transactions/amm_vote.yaml#/components/schemas/AMMVoteErrorCode'
             - $ref: '../transactions/amm_withdraw.yaml#/components/schemas/AMMWithdrawErrorCode'
             - $ref: '../transactions/check_cancel.yaml#/components/schemas/CheckCancelErrorCode'
+            - $ref: '../transactions/check_cash.yaml#/components/schemas/CheckCashErrorCode'
             - enum:
                 - amendmentBlocked
                 - highFee
diff --git a/shared/transactions/check_cash.yaml b/shared/transactions/check_cash.yaml
new file mode 100644
index 0000000..73e2beb
--- /dev/null
+++ b/shared/transactions/check_cash.yaml
@@ -0,0 +1,59 @@
+components:
+  schemas:
+    CheckCashTransaction:
+      $id: CheckCashTransaction
+      allOf:
+        - $ref: '../base.yaml#/components/schemas/BaseTransaction'
+      type: object
+      description: |
+        Attempts to redeem a Check object in the ledger to receive up to the amount authorized by the
+        corresponding CheckCreate transaction. Only the Destination address of a Check can cash it with a
+        CheckCash transaction. Cashing a check this way is similar to executing a Payment initiated by the
+        destination.
+
+        Since the funds for a check are not guaranteed, redeeming a Check can fail because the sender does
+        not have a high enough balance or because there is not enough liquidity to deliver the funds. If
+        this happens, the Check remains in the ledger and the destination can try to cash it again later,
+        or for a different amount.
+      required:
+        - CheckID
+      properties:
+        CheckID:
+          type: string
+          format: hash256
+          description: |
+            The ID of the Check ledger object to cash, as a 64-character hexadecimal string.
+        Amount:
+          $ref: '../base.yaml#/components/schemas/CurrencyAmount'
+          description: |
+            (Optional) Redeem the Check for exactly this amount, if possible. The currency must match that
+            of the SendMax of the corresponding CheckCreate transaction. You must provide either this field
+            or DeliverMin.
+        DeliverMin:
+          $ref: '../base.yaml#/components/schemas/CurrencyAmount'
+          description: |
+            (Optional) Redeem the Check for at least this amount and for as much as possible. The currency
+            must match that of the SendMax of the corresponding CheckCreate transaction. You must provide
+            either this field or Amount.
+      x-custom-validation:
+        mutualExclusion:
+          - field1: Amount
+            field2: DeliverMin
+    CheckCashErrorCode:
+      $id: CheckCashErrorCode
+      type: string
+      enum:
+        - tecNO_PERMISSION
+        - tecNO_ENTRY
+        - tecEXPIRED
+        - tecDST_TAG_NEEDED
+        - temMALFORMED
+        - temBAD_CURRENCY
+      description: Enum representing possible error codes for CheckCash transactions.
+      x-enum-descriptions:
+        tecNO_PERMISSION: If the sender of the CheckCash transaction is not the Destination of the check, the transaction fails.
+        tecNO_ENTRY: If the Check identified by the CheckID field does not exist, the transaction fails.
+        tecEXPIRED: If the Check identified by the CheckID field has already expired, the transaction fails.
+        tecDST_TAG_NEEDED: If the destination of the Check has the RequireDest flag enabled but the Check, as created, does not have a destination tag, the transaction fails.
+        temMALFORMED: If the transaction specifies both Amount and DeliverMin, or omits both, the transaction fails.
+        temBAD_CURRENCY: If the Amount or DeliverMin does not match the currency (and issuer, if not XRP) of the Check, the transaction fails.