Publication of the first OCT Inst scheme rulebook

Publication of the first OCT Inst scheme rulebook

28 March 23

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Today the European Payments Council (EPC) publishes the first One-Leg Out Instant Credit Transfer (OCT Inst) scheme rulebook. Version 1.0 of the 2023 OCT Inst scheme rulebook focuses exclusively on the Euro Leg of international instant credit transfer-based payment transactions.

About the scheme

OCT Inst scheme is the newest EPC payment scheme dedicated to international instant credit transfers. It covers the set of rules, practices and standards agreed at inter-payment service provider (PSP) level within SEPA to achieve interoperability for the provision and operation of the Euro Leg of an international instant credit transfer.


The 2023 OCT Inst scheme rulebook version 1.0 takes effect on 28 November 2023 at 08:00 CET and remains in effect until November 2025.
Find out more about it in the “related document”.

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