ISO 20022 · External code set
Date frequency codes
Specifies the external date frequency code in the format of a character string with a maximum length of 4 characters. The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.
| Code | Published name and definition |
|---|---|
MNTH | Monthly Frequency is monthly. |
QUTR | Quarterly Frequency is quarterly (every three months). |
SEMI | Semi Annual Frequency is semi-annual (every six months). |
TOMN | Two Monthly Frequency is two-monthly (every two months). |
YEAR | Annual Frequency is annual. |
Message references 4
Versions listed in the source workbook, including older versions. This list does not establish which messages a bank, network or provider supports.
tsrv.003.001.01Undertaking Issuance Notification V01tsrv.002.001.01Undertaking Issuance Advice V01tsin.005.001.01Undertaking Application V01tsrv.001.001.01Undertaking Issuance V01
Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.