ZagTrader

ExternalPaymentTransactionStatus1Code

BLCK Status Code: Blocked

Written and maintained by ZagTrader. Last reviewed . How this page is sourced and checked

BLCK means blocked in the ISO 20022 payment transaction status code set. A payment earlier reported as accepted without posting (ACWP) is now blocked: the funds are neither credited to the beneficiary nor returned for now.

Code
BLCK
ISO name
Blocked
Status
Registered
Last updated
2021-02-01

Official definition

Payment transaction previously reported with status 'ACWP' is blocked, for example, funds will neither be posted to the Creditor's account, nor be returned to the Debtor.

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

What it means in practice

A payment transaction status code is the value of TxSts in a pacs.002 or pain.002 status report and of the status in Swift gpi tracker messages (trck).

A payment earlier reported as accepted without posting (ACWP) is now blocked: the funds are neither credited to the beneficiary nor returned for now.

What to do

  • Contact your bank. A block is usually linked to compliance or legal checks at the beneficiary bank.

Messages and fields that use ExternalPaymentTransactionStatus1Code

MessageElement path
pacs.002TxInfAndSts/TxSts, OrgnlGrpInfAndSts/NbOfTxsPerSts/DtldSts
pain.002OrgnlPmtInfAndSts/TxInfAndSts/TxSts, OrgnlGrpInfAndSts/NbOfTxsPerSts/DtldSts, OrgnlPmtInfAndSts/NbOfTxsPerSts/DtldSts
camt.111InvstgtnRspn/InvstgtnData/RspnData/TxSts/Sts/Cd
pain.014OrgnlPmtInfAndSts/TxInfAndSts/TxSts, OrgnlGrpInfAndSts/NbOfTxsPerSts/DtldSts, OrgnlPmtInfAndSts/NbOfTxsPerSts/DtldSts
trck.001TrckrStsAndTx/TxSts/Sts
trck.002TrckrStsAndTx/TxSts/Sts
trck.004TrckrStsAndTx/TxSts/Sts

BLCK in other code sets

BLCK questions

What does BLCK mean in ISO 20022?
BLCK is Blocked in the ExternalPaymentTransactionStatus1Code code set: Payment transaction previously reported with status 'ACWP' is blocked, for example, funds will neither be posted to the Creditor's account, nor be returned to the Debtor.
What should I do when I get BLCK?
Contact your bank. A block is usually linked to compliance or legal checks at the beneficiary bank.
Where does BLCK appear in a message?
For example in pacs.002, element TxInfAndSts/TxSts.

All ExternalPaymentTransactionStatus1Code codes · ISO 20022 code sets

The ISO 20022 code 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.