FSA Publishes Draft Revisions to Banking Agency Supervision Guidelines

Overview

The Financial Services Agency published draft revisions to its supervision guidelines to clarify measures preventing users from misunderstanding services provided by banks and others in cooperation with other businesses through APIs and similar means, as well as whether the actions of cooperating parties constitute banking agency business (intermediation). Public comments will be accepted until 18:00 on August 31, 2026, and the revisions are scheduled to take effect after the necessary procedures following the comment period.

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Key points

  • Clarification of measures preventing misunderstanding of API-linked services and determining whether they constitute banking agency business.
  • Draft revisions proposed for five types of supervision guidelines.
  • Comments accepted until 18:00 on August 31, 2026.
  • The revisions are scheduled to take effect after procedures following the public comment period.

Overview

The Financial Services Agency published draft revisions to its supervision guidelines covering services provided by banks and others in cooperation with other businesses through APIs and similar means. The central points are measures needed to prevent users from misunderstanding who provides the service or what it entails, and clarification of whether the actions of cooperating businesses constitute intermediation as part of banking agency business.

Key figures

Public comment deadline
August 31, 2026 (Monday), 18:00 (must arrive)

Impact

For banks and other institutions and their cooperating businesses, the draft revisions will clarify the measures to prevent users from misunderstanding services using APIs and similar technologies, as well as whether actions by other businesses constitute banking agency business (intermediation). The Financial Services Agency is advancing revisions to its supervision guidelines to clarify these matters.

Details

The revisions cover supervision guidelines for major banks and similar institutions, small and regional financial institutions, financial institutions in cooperative systems, fisheries cooperative credit businesses, and financial services intermediaries. Specific details are shown in the comparative tables of the old and new provisions in Appendices 1 through 5. Comments must include the submitter's name, occupation, contact information, and reasons, and may be submitted by mail or online; comments will not be accepted by telephone. The submitter's name may be disclosed together with the comment contents upon a disclosure request, but a request for anonymity may be stated at the beginning. Personal information and other details may be redacted as necessary, and individual responses will not be provided.

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