ISO 20022 · External code set

Investigation status reason codes

Specifies the reason for the investigation status, as published in an external investigation status reason code set. External code sets can be downloaded from www.iso20022.org.

21 registered codesSource release: August 2026 (v3)

Registered codes in `ExternalInvestigationStatusReason1Code`. Select a code for its full definition and source details.
Code	Published name and definition
`ADAC`	Awaiting Debit Authority From Customer Awaiting debit authorisation from customer.
`AGNT`	Incorrect Agent Or Party Request message has been directed at an incorrect agent or party.
`ARDT`	Already Returned Investigation request not accepted as the transaction has already been returned.
`ARJT`	Already Rejected Transaction Underlying transaction already rejected.
`ARPL`	Awaiting Reply From Customer Awaiting reply from customer.
`CACR`	Closed As Cancellation Request Sent Investigation closed as cancellation request for underlying transaction has been sent.
`CAPR`	Closed As Per Request Investigation closed as per the request message.
`CMPI`	Correction Made As Per Inquiry Is related to a Correction Made as Per Inquiry procedure for investigation status Closed (CLSD).
`DU01`	Duplicate Request Request message is duplicate, duplicate request message is rejected.
`ESCA`	Escalation Special follow-up is taking place.
`FTNA`	Investigation Request Forwarded To Agent Or Party Request message forwarded to another agent or party, these may be indicated in NextResponder element.
`G004`	Waiting For Cover Indicates that the credit claim non receipt investigation is pending as the cover creditor is waiting for the credit of the cover.
`INIT`	Incorrect Investigation Type Incorrect investigation type used in request message.
`INPO`	In Progress Collation of response data is still ongoing.
`LEGL`	Legal Decision Reported when the request cannot be accepted because of regulatory rules.
`NARR`	Narrative See ResponseData element for additional information.
`NOAD`	No Additional Information Available No additional information in relation to the request can be provided.
`NOAS`	No Answer From Customer No reply from customer.
`NOOR`	No Original Transaction Received Underlying transaction never received.
`PARE`	Partial Response Response message partially addresses the request, a further response message will follow.
`RR04`	Regulatory Reason Regulatory Reason.

Message references 3

Versions listed in the source workbook, including older versions. This list does not establish which messages a bank, network or provider supports.

camt.111.001.02Investigation Response V02
camt.111.001.01Investigation Response V01
camt.111.001.03Investigation Response V03

Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.