Japan Legal Reform Watch by LegalOS

Free Japan Legal & Regulatory Update Monitor

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Titles and AI summaries are unofficial English monitoring aids, not legal advice or official translations. Each link opens the original Japanese official source, which remains authoritative.

Japan Data Privacy & AI Regulation Updates

Official Japanese developments on personal information protection, AI governance, cybersecurity, telecommunications, broadcasting, and digital administration, monitored daily from government, regulator, Diet, and self-regulatory sources and labelled in English for triage. Area labels are assigned by keyword rules for triage, so this page may miss relevant items or include marginal ones.

324 updates tracked · 127 with AI summaries · 9 open public comments · last checked 2026-10-06

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Open public comments

Consultations still accepting comments, soonest deadline first. Confirm the deadline and submission method in the official source.

  1. Public Comment on Draft Cabinet Order Amending the Enforcement Order of the Radio Act 2026-09-04 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open Comments due: 2026-10-10 00:00 JST

    The Ministry of Internal Affairs and Communications (MIC) has opened a public comment period on a draft Cabinet Order that would partially amend the Enforcement Order of the Radio Act. This is a proposal out for public comment and has not been enacted based on the available metadata. The specific content of the… (AI summary)

  2. Public Comment: Draft Amendments to Enforcement Orders and Rules under the Plant Variety Protection and Seed Act... 2026-09-18 · e-Gov Public Comment · Public Comment Open Comments due: 2026-10-17 00:00 JST

    This is a public comment invitation regarding draft amendments to enforcement orders and ministerial ordinances relating to the Plant Variety Protection and Seed Act (Seedlings Act) and the Act on the Protection of Personal Information, along with the Seedlings Act enforcement regulations and variety registration… (AI summary)

  3. Public Comment on Draft Report of the Committee on Effective Radio Wave Use (MIC) 2026-09-18 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open Comments due: 2026-10-19 23:59 JST

    Japan's Ministry of Internal Affairs and Communications (MIC) has published a draft report from the Committee on Effective Radio Wave Use and is inviting public comments on it. The item is a consultation on a draft document, not a finalized rule or enacted law. Details of the draft's contents are not provided in the… (AI summary)

  4. Public Comment: Study Issues on Promoting Effective Use of Radio Spectrum (MIC) 2026-09-18 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open Comments due: 2026-10-19 23:59 JST

    Japan's Ministry of Internal Affairs and Communications (MIC) has opened a public comment period on study issues related to promoting the effective use of radio spectrum. Based on the available metadata, this is a consultation seeking input rather than a finalized rule or enacted measure. (AI summary)

  5. Public Comment on Draft Notice Amending the Telecommunications Numbering Plan 2026-09-25 · e-Gov Public Comment · Public Comment Open Comments due: 2026-10-26 23:59 JST

    Japan's Ministry of Internal Affairs and Communications has opened a public comment period on a draft notice (kokuji) that would partially amend the Telecommunications Numbering Plan. According to the metadata, the draft was announced on 2026-09-25, with comments accepted until 2026-10-26 23:59. The item is… (AI summary)

  6. Public Comment on Draft Notice to Partially Amend the Telecommunications Numbering Plan 2026-09-24 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open Comments due: 2026-10-26 23:59 JST

    The Ministry of Internal Affairs and Communications (MIC) has opened a call for public comments on a draft notice that would partially amend the Telecommunications Numbering Plan. This is a consultation on a proposed amendment and does not indicate that any change has been finalized or has entered into force. Details… (AI summary)

  7. Public Comment: Draft Revision of Policy on Telecom Competition Assessment 2026-10-01 · e-Gov Public Comment · Public Comment Open Comments due: 2026-10-31 00:00 JST

    This is a public comment solicitation on a draft revision of the policy for conducting surveys and assessments of the competitive situation in the telecommunications business sector. The draft was published on 2026-10-01, with a comment deadline of 2026-10-31 (00:00). The contact point listed is the… (AI summary)

  8. MIC Public Comment: Draft Revision of Telecom Competition Review Policy 2026-09-30 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open Comments due: 2026-10-31 00:00 JST

    The Ministry of Internal Affairs and Communications (MIC) has posted a call for public comments on a draft revision of its policy on conducting surveys and evaluations of the competitive situation in the telecommunications business sector. The item is a draft proposal out for public comment; the metadata does not… (AI summary)

  9. Public Comment on Interim Report of Study Group on Digital Transactions and the Specified Commercial Transactions Act 2026-09-16 · e-Gov Public Comment · Public Comment Open Comments due: 2026-10-31 23:59 JST

    The Consumer Affairs Agency is inviting public comments on the interim report of a study group concerning digital transactions and the Specified Commercial Transactions Act and related laws. According to the metadata, the proposal was published on 2026-09-16, with a comment submission deadline of 2026-10-31 23:59.… (AI summary)

Latest updates

Newest official publications first.

  1. FSA Announces Cross-Sector Financial Cybersecurity Exercise (Delta Wall 2026) 2026-10-06 · Financial Services Agency (FSA) · Government Announcement

    The Financial Services Agency (FSA) posted a government announcement on its new-information page, dated 2026-10-06, about the implementation of a cross-industry cybersecurity exercise for the financial sector called 'Delta Wall 2026'. No further details, such as dates, participants, or format, were provided in the… (AI summary)

  2. Digital Agency announces planned Oct 20, 2026 start of Android My Number Card service 2026-10-02 · Digital Agency · Government Announcement

    The Digital Agency has posted a government announcement stating that an 'Android My Number Card' is planned to start on October 20, 2026. The item appears on the agency's web service and application news page; no further details were provided in the available metadata. (AI summary)

  3. Public Comment: Draft Revision of Policy on Telecom Competition Assessment 2026-10-01 · e-Gov Public Comment · Public Comment Open

    This is a public comment solicitation on a draft revision of the policy for conducting surveys and assessments of the competitive situation in the telecommunications business sector. The draft was published on 2026-10-01, with a comment deadline of 2026-10-31 (00:00). The contact point listed is the… (AI summary)

  4. Digital Agency Update: Commercial Registration Rules 2026-10-01 · Digital Agency · Government Announcement
  5. MIC Update: Regulatory announcement related to Data / Privacy / AI (2026-10-01) 2026-10-01 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  6. MIC: Results of Public Comment on Draft Radio Act Review Standards Amendment 2026-09-30 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Results Published

    The Ministry of Internal Affairs and Communications (MIC) has published the results of a public comment procedure on a draft directive (kunrei) to partially amend the review standards related to the Radio Act. The item is dated 2026-09-30 and, based on its title, reports on the outcome of the consultation rather than… (AI summary)

  7. MIC Public Comment: Draft Revision of Telecom Competition Review Policy 2026-09-30 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open

    The Ministry of Internal Affairs and Communications (MIC) has posted a call for public comments on a draft revision of its policy on conducting surveys and evaluations of the competitive situation in the telecommunications business sector. The item is a draft proposal out for public comment; the metadata does not… (AI summary)

  8. MOF Update: Regulatory announcement related to Data / Privacy / AI (2026-09-30) 2026-09-30 · Ministry of Finance (MOF) · Government Announcement
  9. MIC Update: Regulatory announcement related to Data / Privacy / AI (2026-09-30) 2026-09-30 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  10. MIC Update: Regulatory announcement related to Data / Privacy / AI (2026-09-30) 2026-09-30 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  11. FSA announces revision of Q&A on personal information protection in financial institutions 2026-09-29 · Financial Services Agency (FSA) · Government Announcement

    The Financial Services Agency (FSA) published an announcement stating that its Q&A on personal information protection for financial institutions has been revised. The item was published on 2026-09-29 as a new-information notice on the FSA website; no details of the specific changes were included in the provided… (AI summary)

  12. METI Update: Regulatory announcement related to Data / Privacy / AI (2026-09-29) 2026-09-29 · Ministry of Economy, Trade and Industry (METI) · Government Announcement
  13. MIC Update: Radio Spectrum Policy (2026-09-29) 2026-09-29 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  14. Digital Agency Update: Regulatory announcement related to Data / Privacy / AI (2026-09-28) 2026-09-28 · Digital Agency · Government Announcement
  15. Digital Agency Update: Regulatory announcement related to Data / Privacy / AI (2026-09-28) 2026-09-28 · Digital Agency · Government Announcement
  16. Public Comment on Draft Notice Amending the Telecommunications Numbering Plan 2026-09-25 · e-Gov Public Comment · Public Comment Open

    Japan's Ministry of Internal Affairs and Communications has opened a public comment period on a draft notice (kokuji) that would partially amend the Telecommunications Numbering Plan. According to the metadata, the draft was announced on 2026-09-25, with comments accepted until 2026-10-26 23:59. The item is… (AI summary)

  17. MIC Update: Telecommunications and radio policy information updated (2026-09-25) 2026-09-25 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  18. FSA Update: Regulatory announcement related to Data / Privacy / AI (2026-09-25) 2026-09-25 · Financial Services Agency (FSA) · Government Announcement
  19. MIC Publishes Results of Public Comment on Draft Notice Amending Security Standards Under Local Tax Act Enforcement... 2026-09-24 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Results Published

    The Ministry of Internal Affairs and Communications (MIC) has published the results of a public comment procedure concerning a draft notice (kokuji) that would partially amend the standards necessary to ensure safety and reliability in the use of information and communications technology, as provided under several… (AI summary)

  20. Public Comment on Draft Notice to Partially Amend the Telecommunications Numbering Plan 2026-09-24 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open

    The Ministry of Internal Affairs and Communications (MIC) has opened a call for public comments on a draft notice that would partially amend the Telecommunications Numbering Plan. This is a consultation on a proposed amendment and does not indicate that any change has been finalized or has entered into force. Details… (AI summary)

  21. MIC Update: Digital information distribution policy meeting announced (2026-09-24) 2026-09-24 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  22. Public Comment: Draft Amendments to Enforcement Orders and Rules under the Plant Variety Protection and Seed Act... 2026-09-18 · e-Gov Public Comment · Public Comment Open

    This is a public comment invitation regarding draft amendments to enforcement orders and ministerial ordinances relating to the Plant Variety Protection and Seed Act (Seedlings Act) and the Act on the Protection of Personal Information, along with the Seedlings Act enforcement regulations and variety registration… (AI summary)

  23. Public Comment on Draft Report of the Committee on Effective Radio Wave Use (MIC) 2026-09-18 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open

    Japan's Ministry of Internal Affairs and Communications (MIC) has published a draft report from the Committee on Effective Radio Wave Use and is inviting public comments on it. The item is a consultation on a draft document, not a finalized rule or enacted law. Details of the draft's contents are not provided in the… (AI summary)

  24. Public Comment: Study Issues on Promoting Effective Use of Radio Spectrum (MIC) 2026-09-18 · Ministry of Internal Affairs and Communications (MIC) · Public Comment Open

    Japan's Ministry of Internal Affairs and Communications (MIC) has opened a public comment period on study issues related to promoting the effective use of radio spectrum. Based on the available metadata, this is a consultation seeking input rather than a finalized rule or enacted measure. (AI summary)

  25. MLIT Update: Regulatory announcement related to land, transport, or infrastructure (2026-09-18) 2026-09-18 · Ministry of Land, Infrastructure, Transport and Tourism (MLIT) · Government Announcement
  26. CAA Publishes Analysis Report on Door-to-Door Sales Using PIO-NET Data 2026-09-17 · Consumer Affairs Agency (CAA) · Government Announcement

    The Consumer Affairs Agency (CAA) announced the publication of an analysis and survey report concerning door-to-door sales and similar practices, based on PIO-NET data. This is a government announcement of a published report, per the provided metadata. Details of the report's findings are not included in the metadata. (AI summary)

  27. PPC Publishes Basic Approach for Cabinet Order and Rules Under Amended Personal Information Protection Act (FY2026) 2026-09-16 · Personal Information Protection Commission (PPC) · Government Announcement

    The Personal Information Protection Commission (PPC) announced that it has posted a document titled 'Basic Approach Toward Development of Cabinet Order and Rules for the Act Partially Amending the Act on the Protection of Personal Information (Part 1: Promotion of Appropriate Data Utilization; Regulation… (AI summary)

  28. Public Comment on Interim Report of Study Group on Digital Transactions and the Specified Commercial Transactions Act 2026-09-16 · e-Gov Public Comment · Public Comment Open

    The Consumer Affairs Agency is inviting public comments on the interim report of a study group concerning digital transactions and the Specified Commercial Transactions Act and related laws. According to the metadata, the proposal was published on 2026-09-16, with a comment submission deadline of 2026-10-31 23:59.… (AI summary)

  29. CAA Update: Regulatory announcement related to Data / Privacy / AI (2026-09-16) 2026-09-16 · Consumer Affairs Agency (CAA) · Government Announcement
  30. METI Launches Demonstration Project for New-Category 'Cybersecurity Support Team Service' for SMEs 2026-09-15 · Ministry of Economy, Trade and Industry (METI) · Government Announcement

    According to a news release from Japan's Ministry of Economy, Trade and Industry (METI), a demonstration project for a new category of the 'Cybersecurity Support Team Service' (Saibā Sekyuriti Otasuketai Service) aimed at small and medium-sized enterprises is being launched. This is presented as a government… (AI summary)

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