What is the latest version of caaa.015?

The latest version in the ISO 20022 e-Repository release of 24 April 2025 is caaa.015.001.06.

What is the root element of caaa.015?

The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:caaa.015.001.06, and its message element is AccptrRjctn (AcceptorRejection).

Is there an MT equivalent of caaa.015?

No Swift MT message is listed as its direct equivalent on this site. Many ISO 20022 messages have no MT counterpart.

caaa: Acceptor to Acquirer Card Transaction

caaa.015 Acceptor Rejection

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

caaa.015 is the ISO 20022 AcceptorRejection message in the Acceptor to Acquirer Card Transaction business area (caaa). The latest version is caaa.015.001.06, and 6 versions are in the repository.

Message: AcceptorRejection
Latest version: caaa.015.001.06
Submitting organisation: nexo
MT equivalent: None listed

In use: published in the current ISO 20022 catalogue.

What caaa.015 is for

The AcceptorRejection message is sent by the acquirer (or its agent) to reject a message request or advice sent by an acceptor (or its agent), to indicate that the received message could not be processed.

Definition from the ISO 20022 e-Repository, release of 24 April 2025.

caaa.015 versions

Every version published in the e-Repository, newest first. A message keeps its business purpose across versions; each new version is a separate schema with its own namespace.

Version	Registration status	Published in
caaa.015.001.06latest	Registered	Latest version set
caaa.015.001.05	Registered	Previous version set
caaa.015.001.04	Registered	Archive
caaa.015.001.03	Registered	Archive
caaa.015.001.02	Registered	Archive
caaa.015.001.01	Registered	Archive

caaa.015 message structure

The building blocks of caaa.015.001.06 to three levels, with multiplicity ([0..1] optional, [1..1] mandatory, * any number) and the data type or component. Element names and definitions are from the ISO 20022 repository; usage guidelines such as CBPR+ or a market infrastructure's rules can restrict them further.

Document [1..1]
- AccptrRjctn AcceptorRejection [1..1]
  - Hdr Header [1..1]Header57
    Rejection message management information.
    - MsgFctn Message Function [1..1]MessageFunction9Code
      Identifies the type of process related to the message.
    - PrtcolVrsn Protocol Version [1..1]Max6Text
      Version of the acquirer protocol specifications.
    - XchgId Exchange Identification [0..1]Number
      Unique identification of an exchange occurrence.
    - CreDtTm Creation Date Time [1..1]ISODateTime
      Date and time at which the message was created.
    - InitgPty Initiating Party [0..1]GenericIdentification176
      Unique identification of the partner that has initiated the exchange.
      - Id Identification [1..1]Max35Text
      - Tp Type [0..1]PartyType33Code
      - Issr Issuer [0..1]PartyType33Code
      - Ctry Country [0..1]Min2Max3AlphaText
      - ShrtNm Short Name [0..1]Max35Text
    - RcptPty Recipient Party [0..1]GenericIdentification177
      Unique identification of the partner that is the recipient of the message exchange.
      - Id Identification [1..1]Max35Text
      - Tp Type [0..1]PartyType33Code
      - Issr Issuer [0..1]PartyType33Code
      - Ctry Country [0..1]Min2Max3AlphaText
      - ShrtNm Short Name [0..1]Max35Text
      - RmotAccs Remote Access [0..1]NetworkParameters7
      - Glctn Geolocation [0..1]Geolocation1
    - Tracblt Traceability [0..*]Traceability8
      Identification of partners involved in exchange from the merchant to the issuer, with the relative timestamp of their exchanges.
      - RlayId Relay Identification [1..1]GenericIdentification177
      - PrtcolNm Protocol Name [0..1]Max35Text
      - PrtcolVrsn Protocol Version [0..1]Max6Text
      - TracDtTmIn Trace Date Time In [1..1]ISODateTime
      - TracDtTmOut Trace Date Time Out [1..1]ISODateTime
  - Rjct Reject [1..1]AcceptorRejection2
    Information related to the reject.
    - RjctRsn Reject Reason [1..1]RejectReason1Code
      Reject reason of the request or the advice.
    - AddtlInf Additional Information [0..1]Max500Text
      Additional information related to the reject of the exchange.
    - MsgInErr Message In Error [0..1]Max100KBinary
      Original request that caused the recipient party to reject it.

Have a caaa.015 message? Paste it into the parser to see every element with its name and definition, and format checks on BICs, IBANs, dates and amounts.

caaa.015 questions

What is the latest version of caaa.015?: The latest version in the ISO 20022 e-Repository release of 24 April 2025 is caaa.015.001.06.
What is the root element of caaa.015?: The XML document is Document with the namespace urn:iso:std:iso:20022:tech:xsd:caaa.015.001.06, and its message element is AccptrRjctn (AcceptorRejection).
Is there an MT equivalent of caaa.015?: No Swift MT message is listed as its direct equivalent on this site. Many ISO 20022 messages have no MT counterpart.

All ISO 20022 messages · ISO 20022 code sets · MT messages

The ISO 20022 message definitions, element 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.