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ISO 20022 external code set

ExternalInvestigationInstrument1Code: Investigation Instrument Codes

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Specifies the type of instrument or product to which the investigation refers, as published in an external investigation instrument code set.

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

11 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

  • ACHPACH Or MassInvestigation is related to an ACH or mass payment.
  • CARDCardInvestigation is related to a card transaction.
  • CHQBChequeInvestigation is related to a cheque.
  • DDTPDirect DebitInvestigation is related to a direct debit.
  • DRFTDraftInvestigation is related to a draft.
  • INSTInstant Credit TransferInvestigation is related to an instant credit transfer.
  • OTHROtherOther underlying instrument.
  • SRTPRequest To PayInvestigation is related to a request to pay.
  • STATStatement EntryInvestigation is related to a statement entry.
  • URGPHVP Or WireInvestigation is related to a wire/high value payment.
  • XBCTCross Border Credit TransferInvestigation is related to a cross border payment.

Messages that use ExternalInvestigationInstrument1Code

MessageElement path
camt.110InvstgtnReq/UndrlygInstrm/Cd
camt.111OrgnlInvstgtnReq/UndrlygInstrm/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.