SEPA rulebooks mandate the reasons and corresponding reason codes that must be used to reject or return payments.

SEPA credit transfer reason codes

Code	Description	Definition	Applicable operations
`AC01`	Incorrect account number	Account identifier invalid or incorrect (i.e., invalid IBAN or account number does not exist)	- Reject - Return
`AC03`	Invalid creditor account number	Wrong unique identifier of the beneficiary account	RFRO
`AC04`	Closed account number	Account closed	- Return - Negative answer to recall / RFRO
`AC06`	Blocked account	Account blocked	Return
`ACNR`	Accepted claim non-receipt	Inter-PSP positive response to claim non-receipt	Positive answer to claim non-receipt
`ACVA`	Accepted value date adjustment	Inter-PSP positive response to claim for value date correction	Positive answer to claim for value date correction
`AG01`	Transaction forbidden	Credit transfer forbidden on this account (e.g., savings account)	Return
`AG02`	Invalid bank operation code	Operation code / transaction code incorrect or invalid file format	- Reject - Return
`AM04`	Insufficient funds	Insufficient funds on the account	Negative answer to recall / RFRO
`AM05`	Duplication	Duplicate payment	- Reject - Return
`AM09`	Wrong amount	Wrong amount	RFRO
`ARDT`	Transaction already returned	Already returned transaction	- Negative answer to recall / RFRO - Negative answer to claim non receipt
`ARJT`	Already rejected transaction	Already rejected transaction	Negative answer to claim non receipt
`BE04`	Missing creditor address	Account address invalid	Return
`CERI`	Check ERI	The credit transfer is not tagged as an extended remittance information (ERI) transaction but contains ERI	Reject
`CNOR`	Creditor bank is not registered	Beneficiary PSP is not registered under this BIC in the CSM	- Reject - Return
`CUST`	Requested by customer	By request of the originator without any reason specified or refusal by the beneficiary	- RFRO - Negative answer to recall / RFRO
`CVAA`	Correct value date already applied	Inter-PSP negative response to claim for value date correction	Negative answer to claim for value date correction
`DNOR`	Debtor bank is not registered	Originator PSP is not registered	Reject
`DUPL`	Duplicate payment	Duplicate payment	Recall
`ED05`	Settlement failed	Settlement failed	Reject
`ERIN`	ERI option not supported	Extended remittance information (ERI) option is not supported	- Reject - Return
`FF01`	Invalid file format	Operation / transaction code incorrect or invalid file format	Reject
`FOCR`	Following cancellation request	Positive answer to the recall	Positive answer to recall / RFRO
`FRAD`	Fraudulent origin	Fraudulent originated credit transfer	Recall
`LEGL`	Legal decision	Legal reasons	Negative answer to recall / RFRO
`MD07`	End customer deceased	Beneficiary deceased	Return
`MODI`	Modified as per request	Inter-PSP confirmed positive response to claim for value date correction	Positive answer to claim for value date correction
`MS02`	Not specified reason customer generated	By order of the beneficiary	Return
`MS03`	Not specified reason agent generated	Reason not specified	- Reject - Return
`NERI`	No ERI	Payment tagged as an extended remittance information (ERI) transaction does not contain ERI	Reject
`NOAS`	No answer from customer	No response from beneficiary	Negative answer to recall / RFRO
`NOOR`	No original transaction received	Original payment not received	- Negative answer to recall / RFRO - Negative answer to claim non receipt
`RC01`	Bank identifier incorrect	PSP identifier incorrect (i.e., invalid BIC)	- Reject - Return
`RJNR`	Rejected claim non-receipt	Inter-PSP negative response to claim non-receipt	Negative answer to claim non receipt
`RJVA`	Rejected value date adjustment	Inter-PSP negative response to claim for value date correction	Negative answer to claim for value date correction
`RNPR`	Original transaction received but not processable	Original transaction received but not Processable	Negative answer to SCT inquiry
`RR01`	Missing debtor account or identification	Regulatory reason	- Reject - Return
`RR02`	Missing debtor name or address	Regulatory reason	- Reject - Return
`RR03`	Missing creditor name or address	Regulatory reason	- Reject - Return
`RR04`	Regulatory reason	Regulatory reason	- Reject - Return
`TECH`	Technical problem	Technical problems resulting in erroneous payments	Recall
`TM01`	Invalid cut-off time	File received after cut-off time	Reject

SEPA instant credit transfer reason codes

Code	Name	Definition	Applicable operations
`AB05`	Timeout creditor agent	Transaction stopped due to timeout at the creditor agent	Reject
`AB06`	Timeout instructed agent	Transaction stopped due to timeout at the instructed agent	Reject
`AB07`	Offline agent	Agent of message is not online. Generic usage if it cannot be determined which agent is not online	Reject
`AB08`	Offline creditor agent	Creditor agent is not online	Reject
`AB09`	Error creditor agent	Transaction stopped due to error at the creditor agent	Reject
`AB10`	Error instructed agent	Transaction stopped due to error at the instructed agent	Reject
`AC01`	Incorrect account number	Account identifier invalid or incorrect (i.e., invalid IBAN or account number does not exist)	- Reject - Return
`AC03`	Invalid creditor account number	Wrong unique identifier of the beneficiary account	RFRO
`AC04`	Closed account number	Account closed	- Reject - Negative answer to recall / RFRO
`AC06`	Blocked account	Account blocked	Reject
`AG01`	Transaction forbidden	Credit transfer forbidden on this account (e.g., savings account)	Reject
`AG02`	Invalid bank operation code	Operation code / transaction code incorrect or invalid file format	Reject
`AG09`	Payment not received	Original payment not received	Reject
`AG10`	Agent suspended	Agent of message is suspended from the real-time payment system	Reject
`AG11`	Creditor agent suspended	Creditor agent of message is suspended from the real-time payment system	Reject
`AM02`	Not allowed amount	Amount exceeds the maximum authorized amount for SEPA instant credit transfers	Reject
`AM04`	Insufficient funds	Insufficient funds on the account	Negative answer to recall / RFRO
`AM05`	Duplication	Duplicate payment	Reject
`AM09`	Wrong amount	Wrong amount	RFRO
`AM23`	Amount exceeds settlement limit	Transaction amount exceeds settlement limit	Reject
`ARDT`	Transaction has already been returned	Already returned transaction	Negative answer to recall / RFRO
`BE04`	Missing creditor address	Account address invalid	Reject
`CNOR`	Creditor bank is not registered	Beneficiary PSP is not registered under this BIC in the CSM	Reject
`CUST`	Requested by customer	By request of the originator without any reason specified or refusal by the beneficiary	- RFRO - Negative answer to recall / RFRO
`DNOR`	Debtor bank is not registered	Originator PSP is not registered	Reject
`DUPL`	Duplicate payment	Duplicate sending	Recall
`FF01`	Invalid file format	Operation / transaction code incorrect or invalid file format	Reject
`FOCR`	Following cancellation request	Positive answer to the recall	Positive answer to recall / RFRO
`FRAD`	Fraudulent origin	Fraudulent originated credit transfer	Recall
`LEGL`	Legal decision	Legal reasons	Negative answer to recall / RFRO
`MD07`	End customer deceased	Beneficiary deceased	Reject
`MS02`	Not specified reason customer generated	By order of the beneficiary	Reject
`MS03`	Not specified reason agent generated	Reason not specified	Reject
`NOAS`	No answer from customer	No response from beneficiary	Negative answer to recall / RFRO
`NOOR`	No original transaction received	Original credit transfer not received	Negative answer to recall / RFRO
`RC01`	Bank identifier incorrect	PSP identifier incorrect (i.e., invalid BIC)	Reject
`RR01`	Missing debtor account or identification	Regulatory reason	Reject
`RR02`	Missing debtor name or address	Regulatory reason	Reject
`RR03`	Missing creditor name or address	Regulatory reason	Reject
`RR04`	Regulatory reason	Regulatory reason	Reject
`TECH`	Technical problem	Technical problems resulting in erroneous SEPA instant credit transfer transactions	Recall
`TM01`	Invalid cut-off time	File received after cut-off time	Reject

SEPA direct debit reason codes

Code	Name	Definition	Applicable operations
`AC01`	Incorrect account number	Account identifier incorrect (i.e., invalid IBAN of the debtor)	- Reject - Return
`AC04`	Closed account number	Account closed	- Reject - Return
`AC06`	Blocked account	Account blocked	- Reject - Return
`AC13`	Invalid debtor account type	Debtor account is a consumer account, for SDD B2B collections only	- Reject - Return
`AG01`	Transaction forbidden	Direct debit forbidden on this account for regulatory reasons	Return
`AG02`	Invalid bank operation code	Operation code / transaction code / sequence type incorrect or invalid file format	- Reject - Return
`AM04`	Insufficient funds	Insufficient funds on the account	- Reject - Return
`AM05`	Duplication	Duplicate collection	- Reject - Return - Reversal
`BE05`	Unrecognised initiating party	Identifier of the creditor Incorrect	- Reject - Return
`CNOR`	Creditor bank is not registered	Creditor PSP is not registered under this BIC in the CSM	Reject
`DNOR`	Debtor bank is not registered	Debtor PSP is not registered	Reject
`ED05`	Settlement failed	Settlement of the collection failed	Reject
`FF01`	Invalid file format	Invalid file format	Reject
`MD01`	No mandate	No valid mandate, for SDD core collections only - No mandate or unable to obtain mandate confirmation from the debtor, for SDD B2B collections only - Unauthorised transaction, for refunds of SDD core collections only	- Reject - Return - Refund
`MD02`	Missing mandatory mandate information	Mandate data missing or incorrect.	Reject
`MD06`	Refund request by end customer	Disputed authorized transaction, for SDD core collections only	Refund
`MD07`	End customer deceased	Debtor deceased	- Reject - Return
`MS02`	Not specified reason customer generated	Refusal by the debtor	- Reject - Return - Refund - Reversal
`MS03`	Not specified reason agent generated	Reason not specified	- Reject - Return - Reversal
`RC01`	Bank identifier incorrect	PSP identifier incorrect (i.e., invalid BIC)	- Reject - Return
`RR01`	Missing debtor account or identification	Regulatory reason	- Reject - Return
`RR02`	Missing debtor name or address	Regulatory reason	- Reject - Return
`RR03`	Missing creditor name or address	Regulatory reason	- Reject - Return
`RR04`	Regulatory reason	Regulatory reason	- Reject - Return
`SL01`	Specific service offered by debtor agent	Due to specific service offered by the debtor PSP	- Reject - Return