What does INST mean in ISO 20022?

INST is Processing Instructions in the ExternalInformationType1Code code set: Instructions used to ease automatic request processing.

Where does INST appear in a message?

For example in tsin.004, element InvcHdr/InclNote/InfTp.

ExternalInformationType1Code

INST Code: Processing Instructions

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

INST means processing instructions in the ISO 20022 information type code set. Instructions used to ease automatic request processing.

Code: INST
ISO name: ProcessingInstructions
Status: Registered
Last updated: 2010-11-30

Official definition

Instructions used to ease automatic request processing.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalInformationType1Code

Message	Element path
tsin.004	InvcHdr/InclNote/InfTp
caaa.001	versions 001.03, 001.04, 001.05, 001.06, 001.07
caaa.003	versions 001.03, 001.04, 001.05, 001.06, 001.07
caaa.011	versions 001.03, 001.04, 001.05, 001.06, 001.07

INST in other code sets

INST questions

What does INST mean in ISO 20022?: INST is Processing Instructions in the ExternalInformationType1Code code set: Instructions used to ease automatic request processing.
Where does INST appear in a message?: For example in tsin.004, element InvcHdr/InclNote/InfTp.

All ExternalInformationType1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.