ISO 20022 · External code set

Debtor activation amendment reason codes

Specifies the debtor activation amendment reason code, as published in an external debtor activation amendment reason code set. External code sets can be downloaded from www.iso20022.org.

6 registered codesSource release: August 2026 (v3)
Registered codes in ExternalDebtorActivationAmendmentReason1Code. Select a code for its full definition and source details.
CodePublished name and definition
AM05Duplication

Duplication.

CUSTRequested By Customer

Amendment requested by the customer.

RF01Not Unique Reference

Reference is not unique.

RR04Regulatory Reason

Regulatory Reason.

TRJTTechnical Rejection

Technical rejection.

UCRDUnknown Creditor

Unknown creditor.

Message references 2

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

  • reda.071.001.01Request To Pay Debtor Activation Amendment Request V01
  • reda.071.001.02Request To Pay Debtor Activation Amendment Request V02

Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.