ISO 20022 · External code set

Received reason codes

Specifies the reason for a received status. The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.

1 registered codeSource release: August 2026 (v3)Source details

Code setExternalReceivedReason1Code

Registered codes in `ExternalReceivedReason1Code`. Select a code for its full definition and source details.
Code	Published name and definition
`NSTP`	Not Straight Through Processing Instruction was not straight through processing and had to be processed manually

Message references 1

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

reda.058.001.01Standing Settlement Instruction Status Advice V01

Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.