paymentInformation.bank.account. checkTransactionCode {#payment-info-bank-account-check-transaction-code-main}
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Process control transaction code of the check.  
This code is included in the stop-payment inquiry. The check must be identified by a check number, but the process control transaction code can also help to identify the check. If a process control transaction code appears on a check, it is part of the MICR line to the right of the On-Us symbol immediately following the bank account number.

Specifications {#payment-info-bank-account-check-transaction-code-main_Specifications}
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* **Data Type:** String
* **Data Length:** 6

Mapping Information {#payment-info-bank-account-check-transaction-code-main_Mapping}
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* **REST API Field:** paymentInformation.bank.account.checkTransactionCode
* **SCMP API Field:** ecp_check_transaction_code
* **Simple Order API Field:** check_checkTransactionCode