Operational Guidelines

Change Log v4.0.1

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This is the latest version Published 2 weeks ago 18 Mar 2026

Operational Guidelines Changes: v4.0 to v4.0.1

Other pages in this section

Operational Guidelines Changes: v4.0 to v4.0.1

LinkSub section/LocationChangeReason for Change
Guidance on downtimeWhole pageRewritten guidance on downtime.

Change Request
Changes to an ASPSP’s Infrastructure, Configuration or SoftwareWhole pageUpdated text clarifying the expectations on ASPSPs to limit impact on TPPs and PSUs in terms of forcing reauthentication or reconsent due to infrastructure, configuration or software changes. Minor correction during v4.0.1 discussions
Implementation of a new Open Banking StandardBackward and Forward CompatibilityRevised text to align to the Specifications to make clear which operations or resources must be backward and forward compatible across versions.Minor correction during v4.0.1 discussions