JFTC publishes MSCA subordinate legislations and guidelines (29 Jul 2025)

Editorial collage hero: change-log-japan-msca-implementing-orders-2025-07

On 29 July 2025 the Japan Fair Trade Commission published final Cabinet Order, JFTC Rules and Guidelines for the Mobile Software Competition Act after 105 public comments, with full Act effect stated for 18 December 2025.

The JFTC English release Subordinate Legislations and Guidelines of the Act on the Promotion of Competition for Specified Smartphone Software (Mobile Software Competition Act (MSCA)), dated 29 July 2025, states that the Commission invited comments on draft subordinate legislations (Cabinet Order and JFTC Rules) and Guidelines from 15 May 2025 to 13 June 2025, received 105 comments, then revised and published the final texts. English materials are labelled tentative translations; the release links a Japanese detail page and PDF summaries.

Operator-facing facts on the page

  • Final subordinate legislations and guidelines were published on the release date after consideration of the 105 comments.
  • Linked English artefacts on the page include Mobile Software Competition Act Guidelines and a summary of subordinate legislations and guidelines.
  • The Act is stated to come into full effect on 18 December 2025.

Limits

FieldEvidence or limit
Finalisation / publication date2025-07-29
Comment count105
Full enforcement date on this page2025-12-18
Line-by-line fee percentages for Apple or GoogleNot extracted from this press page alone; open the linked guidelines PDFs for operative examples
METI co-signature wordingNot stated on this English press page
UA implicationLock Japan payback models to the 18 Dec 2025 full-enforcement date and re-read the Guidelines PDFs before modelling steering or alt-store fee stacks

Replace any paywalled secondary summary with this JFTC primary when citing the July 2025 finalisation.

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