ISO 20022 · External code set

Notification type codes

Specifies the notification type, as published in an external notification type code set. External code sets can be downloaded from www.iso20022.org.

13 registered codesSource release: August 2026 (v3)
Registered codes in ExternalNotificationType1Code. Select a code for its full definition and source details.
CodePublished name and definition
ADDRChange Of Address

Notification of a change of address.

ATACAccount Terms And Conditions

Notification of new or amended terms and conditions for an account.

COUPContact Details Update

Notification of new or amended contact details.

CUHOCurrency Holiday

Notification of a currency holiday.

INCHIndustry Changes

Notification of any pertinent industry or market changes.

INFOInformation Sharing

Sharing of information.

MERGAdvice Of A Merger

Notification of a merger and any associated changes.

OPENChange Of Bank Branch Opening Hours

Notification of a change to opening hours.

OTHROther

Other notification type.

SSISStanding Settlement Instructions Update

Notification of a change to Standing Settlement Instructions (SSIs).

SUSPSuspension

Notification of a process suspension due to an incident.

SYSTSystem Access Request

Request for access to a system.

TERMService Termination

Notification of termination of a service, such as an account closure.

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.

  • admi.024.001.01Notification Of Correspondence V01

Source: UsageInMsgs sheet in 2Q2026_externalcodesets_v3.xlsx.