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ISO 20022 external code set

ExternalReturnReason1Code: Return Reason Codes

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Specifies the return reason, as published in an external return reason code list.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

In a pacs.004 payment return, a return reason code explains why funds that were already settled are being sent back. It sits in TxInf/RtrRsnInf/Rsn/Cd, and bank statements (camt.053, camt.054) repeat it in RtrInf/Rsn/Cd.

104 codes in use. External code sets are published outside the message schemas and updated every quarter, so a new code can appear without a new message version.

Codes

  • AC01Incorrect Account NumberFormat of the account number specified is not correct
  • AC02Invalid Debtor Account NumberDebtor account number invalid or missing.
  • AC03Invalid Creditor Account NumberWrong IBAN in SCT
  • AC04Closed Account NumberAccount number specified has been closed on the bank of account's books
  • AC06Blocked AccountAccount specified is blocked, prohibiting posting of transactions against it.
  • AC07Closed Creditor Account NumberCreditor account number closed.
  • AC13Invalid Debtor Account TypeDebtor account type is missing or invalid
  • AC14Invalid AgentAn agent in the payment chain is invalid.
  • AC15Account Details ChangedAccount details have changed.
  • AC16Account In SequestrationAccount is in sequestration.
  • AC17Account In LiquidationAccount is in liquidation.
  • AG01Transaction ForbiddenTransaction forbidden on this type of account (formerly NoAgreement)
  • AG02Invalid Bank Operation CodeBank Operation code specified in the message is not valid for receiver
  • AG07Unsuccesful Direct DebitDebtor account cannot be debited for a generic reason.
  • AGNTIncorrect AgentAgent in the payment workflow is incorrect.
  • AM01Zero AmountSpecified message amount is equal to zero
  • AM02Not Allowed AmountSpecific transaction/message amount is greater than allowed maximum
  • AM03Not Allowed CurrencySpecified message amount is an non processable currency outside of existing agreement
  • AM04Insufficient FundsAmount of funds available to cover specified message amount is insufficient.
  • AM05DuplicationDuplication
  • AM06Too Low AmountSpecified transaction amount is less than agreed minimum.
  • AM07Blocked AmountAmount specified in message has been blocked by regulatory authorities.
  • AM09Wrong AmountAmount received is not the amount agreed or expected
  • AM10Invalid Control SumSum of instructed amounts does not equal the control sum.
  • ARDTAlready Returned TransactionAlready returned original SCT
  • BE01Inconsistent With End CustomerIdentification of end customer is not consistent with associated account number, organisation ID or private ID.
  • BE04Missing Creditor AddressSpecification of creditor's address, which is required for payment, is missing/not correct (formerly IncorrectCreditorAddress).
  • BE05Unrecognised Initiating PartyParty who initiated the message is not recognised by the end customer
  • BE06Unknown End CustomerEnd customer specified is not known at associated Sort/National Bank Code or does no longer exist in the books
  • BE07Missing Debtor AddressSpecification of debtor's address, which is required for payment, is missing/not correct.
  • BE08Bank ErrorReturned as a result of a bank error.
  • BE10Invalid Debtor CountryDebtor country code is missing or invalid.
  • BE11Invalid Creditor CountryCreditor country code is missing or invalid.
  • BE16Invalid Debtor Identification CodeDebtor or Ultimate Debtor identification code missing or invalid.
  • BE17Invalid Creditor Identification CodeCreditor or Ultimate Creditor identification code missing or invalid.
  • CN01Authorisation CancelledAuthorisation is cancelled.
  • CNORCreditor Bank Is Not RegisteredCreditor bank is not registered under this BIC in the CSM
  • CNPCCash Not Picked UpCash not picked up by Creditor or cash could not be delivered to Creditor
  • CURRIncorrect CurrencyCurrency of the payment is incorrect
  • CUSTRequested By CustomerCancellation requested by the Debtor
  • DC04No Customer Credit Transfer ReceivedReturn of Covering Settlement due to the underlying Credit Transfer details not being received.
  • DNORDebtor Bank Is Not RegisteredDebtor bank is not registered under this BIC in the CSM
  • DS28Return For Technical ReasonReturn following technical problems resulting in erroneous transaction.
  • DT01Invalid DateInvalid date (eg, wrong settlement date)
  • DT02Cheque ExpiredCheque has been issued but not deposited and is considered expired.
  • DT04Future Date Not SupportedFuture date not supported.
  • DUPLDuplicate PaymentPayment is a duplicate of another payment.
  • ED01Correspondent Bank Not PossibleCorrespondent bank not possible.
  • ED03Balance Info RequestBalance of payments complementary info is requested
  • ED05Settlement FailedSettlement of the transaction has failed.
  • EMVLEMV Liability ShiftThe card payment is fraudulent and was not processed with EMV technology for an EMV card.
  • ERINERI Option Not SupportedThe Extended Remittance Information (ERI) option is not supported.
  • FF03Invalid Payment Type InformationPayment Type Information is missing or invalid.
  • FF04Invalid Service Level CodeService Level code is missing or invalid.
  • FF05Invalid Local Instrument CodeLocal Instrument code is missing or invalid
  • FF06Invalid Category Purpose CodeCategory Purpose code is missing or invalid.
  • FF07Invalid PurposePurpose is missing or invalid.
  • FOCRFollowing Cancellation RequestReturn following a cancellation request
  • FR01FraudReturned as a result of fraud.
  • FRTRFinal Response Mandate CancelledFinal response/tracking is recalled as mandate is cancelled.
  • G004Credit Pending FundsIn a FIToFI Customer Credit Transfer: Credit to the creditor’s account is pending, status Originator is waiting for funds provided via a cover. Update will follow from the Status Originator.
  • MD01No MandateNo Mandate
  • MD02Missing Mandatory Information In MandateMandate related information data required by the scheme is missing.
  • MD05Collection Not DueCreditor or creditor's agent should not have collected the direct debit.
  • MD06Refund Request By End CustomerReturn of funds requested by end customer
  • MD07End Customer DeceasedEnd customer is deceased.
  • MS02Not Specified Reason Customer GeneratedReason has not been specified by end customer
  • MS03Not Specified Reason Agent GeneratedReason has not been specified by agent.
  • NARRNarrativeReason is provided as narrative information in the additional reason information.
  • NOASNo Answer From CustomerNo response from Beneficiary
  • NOCMNot CompliantCustomer account is not compliant with regulatory requirements, for example FICA (in South Africa) or any other regulatory requirements which render an account inactive for certain processing.
  • NOORNo Original Transaction ReceivedOriginal SCT never received
  • PINLPIN Liability ShiftThe card payment is fraudulent (lost and stolen fraud) and was processed as EMV transaction without PIN verification.
  • RC01Bank Identifier IncorrectBank Identifier code specified in the message has an incorrect format (formerly IncorrectFormatForRoutingCode).
  • RC03Invalid Debtor Bank IdentifierDebtor bank identifier is invalid or missing.
  • RC04Invalid Creditor Bank IdentifierCreditor bank identifier is invalid or missing.
  • RC07Invalid Creditor BIC IdentifierIncorrrect BIC of the beneficiary Bank in the SCTR
  • RC08Invalid Clearing System Member IdentifierClearingSystemMemberidentifier is invalid or missing.
  • RC11Invalid Intermediary AgentIntermediary Agent is invalid or missing.
  • RF01Not Unique Transaction ReferenceTransaction reference is not unique within the message.
  • RR01Missing Debtor Account Or IdentificationSpecification of the debtor’s account or unique identification needed for reasons of regulatory requirements is insufficient or missing
  • RR02Missing Debtor Name Or AddressSpecification of the debtor’s name and/or address needed for regulatory requirements is insufficient or missing.
  • RR03Missing Creditor Name Or AddressSpecification of the creditor’s name and/or address needed for regulatory requirements is insufficient or missing.
  • RR04Regulatory ReasonRegulatory Reason
  • RR05Regulatory Information InvalidRegulatory or Central Bank Reporting information missing, incomplete or invalid.
  • RR06Tax Information InvalidTax information missing, incomplete or invalid.
  • RR07Remittance Information InvalidRemittance information structure does not comply with rules for payment type.
  • RR08Remittance Information TruncatedRemittance information truncated to comply with rules for payment type.
  • RR09Invalid Structured Creditor ReferenceStructured creditor reference invalid or missing.
  • RR11Invalid Debtor Agent Service IdentificationInvalid or missing identification of a bank proprietary service.
  • RR12Invalid Party IdentificationInvalid or missing identification required within a particular country or payment type.
  • RUTAReturn Upon Unable To ApplyReturn following investigation request and no remediation possible.
  • SL01Specific Service Offered By Debtor AgentDue to specific service offered by the Debtor Agent
  • SL02Specific Service Offered By Creditor AgentDue to specific service offered by the Creditor Agent
  • SL11Creditor Not On Whitelist Of DebtorWhitelisting service offered by the Debtor Agent; Debtor has not included the Creditor on its “Whitelist” (yet). In the Whitelist the Debtor may list all allowed Creditors to debit Debtor bank account.
  • SL12Creditor On Blacklist Of DebtorBlacklisting service offered by the Debtor Agent; Debtor included the Creditor on his “Blacklist”. In the Blacklist the Debtor may list all Creditors not allowed to debit Debtor bank account.
  • SL13Maximum Number Of Direct Debit Transactions ExceededDue to Maximum allowed Direct Debit Transactions per period service offered by the Debtor Agent.
  • SL14Maximum Direct Debit Transaction Amount ExceededDue to Maximum allowed Direct Debit Transaction amount service offered by the Debtor Agent.
  • SP01Payment StoppedPayment is stopped by account holder.
  • SP02Previously StoppedPreviously stopped by means of a stop payment advise.
  • SVNRService Not RenderedThe card payment is returned since a cash amount rendered was not correct or goods or a service was not rendered to the customer, e.g. in an e-commerce situation.
  • TM01Cut Off TimeAssociated message was received after agreed processing cut-off time.
  • TRACRemoved From TrackingReturn following direct debit being removed from tracking process.
  • UPAYUndue PaymentPayment is not justified.

Messages that use ExternalReturnReason1Code

MessageElement path
pacs.004TxInf/RtrRsnInf/Rsn/Cd, OrgnlGrpInf/RtrRsnInf/Rsn/Cd
camt.053Stmt/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
camt.054Ntfctn/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
camt.052Rpt/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
trck.001TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd
trck.002TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd
trck.004TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd

All ISO 20022 code sets · ISO 20022 messages

The ISO 20022 code set names, code values, names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.