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ISO 20022 external code set

ExternalMessageFunction1Code: Message Function Codes

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Code to identify the type of process related to the message, as published separately in a message function external code set.

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

14 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

  • ADVCAdviceAdvice indicates where the sender informs the receiver of an activity that has been taken that requires a response.
  • BNTFBatch NotificationNotification to initiate the transfer of a batch (no response expected).
  • BTRQBatch RequestRequest to initiate the transfer of a batch (response expected).
  • CAADCapture AdviceAdvice about the capture of an activity already performed (response expected).
  • CANOCapture NotificationNotification about the capture of an activity already performed (no response expected).
  • CLNFCollection NotificationNotification to initiate the transfer of a collection (no response expected).
  • CLRQCollection RequestRequest to initiate the transfer of a collection (response expected).
  • ERNOError NotificationNotification of a message containing errors.
  • INSNInstructionInforms of an action to be taken.
  • NOTINotificationMessage function is notification.
  • RENOReject NotificationNotification of a rejected message.
  • REQURequestMessage function is request.
  • STADStatus AdviceAdvice about the status of a transaction.
  • STNOStatus NotificationNotification about the status of a transaction.

Messages that use ExternalMessageFunction1Code

MessageElement path
caad.001Hdr/MsgFctn
caad.002Hdr/MsgFctn
caad.003Hdr/MsgFctn
caad.004Hdr/MsgFctn
caad.005Hdr/MsgFctn
caad.006Hdr/MsgFctn
caad.007Hdr/MsgFctn
caad.008Hdr/MsgFctn
caad.009Hdr/MsgFctn
caad.010Hdr/MsgFctn
cafc.001Hdr/MsgFctn
cafc.002Hdr/MsgFctn
cafm.001Hdr/MsgFctn
cafm.002Hdr/MsgFctn
cafr.001Hdr/MsgFctn
cafr.002Hdr/MsgFctn
cafr.003Hdr/MsgFctn
cafr.004Hdr/MsgFctn
cain.001Hdr/MsgFctn
cain.002Hdr/MsgFctn
cain.003Hdr/MsgFctn
cain.004Hdr/MsgFctn
cain.005Hdr/MsgFctn
cain.006Hdr/MsgFctn
cain.014Hdr/MsgFctn
cain.015Hdr/MsgFctn
cain.016Hdr/MsgFctn
cain.017Hdr/MsgFctn
cain.018Hdr/MsgFctn
cain.019Hdr/MsgFctn
cain.020Hdr/MsgFctn
cain.021Hdr/MsgFctn
cain.022Hdr/MsgFctn
cain.023Hdr/MsgFctn
cain.024Hdr/MsgFctn
cain.025Hdr/MsgFctn
cain.026Hdr/MsgFctn
cain.027Hdr/MsgFctn
cain.028Hdr/MsgFctn
canm.001Hdr/MsgFctn

And 5 more messages: see the ExternalMessageFunction1Code page.

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.