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 Tax Law Updates

Official Japanese developments on national tax statutes, cabinet and ministerial orders on tax, stamp duty, and tax 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.

126 updates tracked · 122 with AI summaries · 0 open public comments · last checked 2026-10-06

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Latest updates

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  1. Cabinet Order Amending Enforcement Orders on Special Tax Measures and Distribution Efficiency of Goods 2026-09-04 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This is a Cabinet Order (seirei) that partially amends the Enforcement Order of the Act on Special Measures Concerning Taxation and the Enforcement Order of the Act on Efficiency of Distribution of Goods. According to the metadata, the amending Cabinet Order (Reiwa 8 Cabinet Order No. 270) has a promulgation date of… (AI summary)

  2. Cabinet Order Amending Enforcement Orders on Special Taxation Measures and Efficient Distribution of Goods 2026-09-04 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This is a Cabinet Order that partially amends the Enforcement Order of the Act on Special Measures Concerning Taxation (Cabinet Order No. 43 of 1957) and the Enforcement Order of the Act on Improving the Efficiency of Physical Distribution of Goods. According to the metadata, the amending Cabinet Order is numbered… (AI summary)

  3. Cabinet Decision on Cabinet Order Amending Enforcement Orders of Special Taxation Measures Act and Act on Efficient... 2026-09-01 · Ministry of Land, Infrastructure, Transport and Tourism (MLIT) · Government Announcement

    According to a press release from Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT), the Cabinet has decided on a Cabinet Order amending the Enforcement Order of the Special Taxation Measures Act and the Enforcement Order of the Act on Improving the Efficiency of Distribution of Goods. The item… (AI summary)

  4. MIC Update: Tax System Measures 2026-09-01 · Ministry of Internal Affairs and Communications (MIC) · Government Announcement
  5. MAFF Update: Tax System Measures 2026-08-31 · Ministry of Agriculture, Forestry and Fisheries (MAFF) · Government Announcement
  6. Ministerial Ordinance Partially Amending Enforcement Regulations of the Special Taxation Measures Act and the... 2026-07-31 · e-Gov Law Search — Updated Laws · In Force

    This item refers to a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 51) that partially amends the Enforcement Regulations of the Special Taxation Measures Act and the Enforcement Regulations of the Corporation Tax Act. The metadata lists a promulgation date and an enforcement date both of… (AI summary)

  7. Ministerial Ordinance Amending Enforcement Regulations of Special Taxation Measures Act and Corporation Tax Act 2026-07-31 · e-Gov Law Search — Updated Laws · In Force

    This item is a ministerial ordinance (Ministry of Finance Ordinance No. 51 of 2026) partially amending the Enforcement Regulations of the Special Taxation Measures Act and the Enforcement Regulations of the Corporation Tax Act. According to the provided metadata, the amending ordinance carries a promulgation date and… (AI summary)

  8. Supreme Court Decision: Tax case (2026-06-23) 2026-06-23 · Courts in Japan — Recent Supreme Court Decisions · Court Decision
  9. Supreme Court Decision: Tax case (2026-06-16) 2026-06-16 · Courts in Japan — Recent Supreme Court Decisions · Court Decision
  10. Ministerial Ordinance Amending Enforcement Regulations on Transparency of Special Taxation Measures 2026-04-14 · e-Gov Law Search — Updated Laws · In Force

    This item concerns a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 41) amending the Enforcement Regulations of the Act on Transparency of the Application of Special Taxation Measures. According to the metadata, the promulgation date is listed as 2026-04-14 and the enforcement date as 2026-07-31. It… (AI summary)

  11. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Corporation Tax Act 2026-04-14 · e-Gov Law Search — Updated Laws · In Force

    This is a ministerial ordinance (Ministry of Finance Ordinance No. 39 of 2026) that partially amends the Enforcement Regulations of the Corporation Tax Act (originally Ministry of Finance Ordinance No. 12 of 1965). According to the metadata, the amending ordinance carries a promulgation date of 2026-04-14 and an… (AI summary)

  12. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Corporation Tax Act 2026-04-14 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item is a ministerial ordinance that partially amends the Enforcement Regulations of the Corporation Tax Act (originally Ministry of Finance Ordinance No. 12 of 1965). According to the metadata, the amending ordinance is Ministry of Finance Ordinance No. 39 of 2026, with a stated promulgation date of 2026-04-14… (AI summary)

  13. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Corporation Tax Act 2026-04-14 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item is a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 39) that partially amends the Enforcement Regulations of the Corporation Tax Act (originally Showa 40 Ministry of Finance Ordinance No. 12). According to the metadata, it carries a promulgation date of 2026-04-14 and a stated effective… (AI summary)

  14. Cabinet Order Amending the Enforcement Order on Transparency of Special Tax Measures 2026-03-31 · e-Gov Law Search — Updated Laws · In Force

    This item is a Cabinet Order amending the Enforcement Order of the Act on Transparency of the Application Status of Special Tax Measures (originally Cabinet Order No. 67 of 2010). According to the metadata, the amending order (Cabinet Order No. 101 of 2026) has a promulgation date of 2026-03-31 and an enforcement… (AI summary)

  15. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Promulgated

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). The amending ordinance is listed as Ministry of Finance Ordinance No. 21 of 2026, with a promulgation date recorded… (AI summary)

  16. Ministerial Ordinance Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item is a ministerial ordinance (Ministry of Finance Ordinance No. 21 of 2026) amending, in part, the Enforcement Regulations of the Act on Special Measures Concerning Taxation (Ministry of Finance Ordinance No. 15 of 1957). According to the metadata, it was promulgated on 2026-03-31 with a stated enforcement… (AI summary)

  17. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Consumption Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance partially amending the Enforcement Regulations of the Consumption Tax Act (originally Ministry of Finance Ordinance No. 53 of 1988). According to the metadata, the amending ordinance is Ministry of Finance Ordinance No. 19 of 2026, with a listed promulgation date of… (AI summary)

  18. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Consumption Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item is a ministerial ordinance (Ministry of Finance Ordinance No. 19 of 2026) that partially amends the Enforcement Regulations of the Consumption Tax Act (originally Ministry of Finance Ordinance No. 53 of 1988). According to the provided metadata, it carries a promulgation date of 2026-03-31 and a stated… (AI summary)

  19. Ministerial Ordinance Amending the Enforcement Regulations of the Consumption Tax Act and Related Regulations 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Consumption Tax Act (originally MOF Ordinance No. 53 of 1988) and related regulations, listed under Ministry of Finance Ordinance No. 19 of 2026. According to the metadata, it was promulgated on 2026-03-31 with a… (AI summary)

  20. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Consumption Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance (Ministry of Finance Ordinance No. 19 of Reiwa 8) that partially amends the Enforcement Regulations of the Consumption Tax Act (originally Ministry of Finance Ordinance No. 53 of 1988). According to the metadata, it carries a promulgation date of 2026-03-31 and a stated… (AI summary)

  21. Ministerial Ordinance Partially Amending the Regulation for Enforcement of the Consumption Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 19) that partially amends the Regulation for Enforcement of the Consumption Tax Act (originally Showa 63 Ministry of Finance Ordinance No. 53). The metadata indicates a promulgation date of 2026-03-31 and a scheduled enforcement… (AI summary)

  22. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Consumption Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 19) that partially amends the Enforcement Regulations of the Consumption Tax Act (Showa 63 Ministry of Finance Ordinance No. 53). According to the metadata, the amending ordinance carries a promulgation date of 2026-03-31 and a… (AI summary)

  23. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Corporation Tax Act 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This is a ministerial ordinance (Reiwa 8 Ministry of Finance Ordinance No. 18) that partially amends the Enforcement Regulations of the Corporation Tax Act (originally Showa 40 Ministry of Finance Ordinance No. 12). According to the metadata, it was promulgated on 2026-03-31, with a stated enforcement date of… (AI summary)

  24. Ministerial Ordinance Amending the Enforcement Regulation of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item refers to a ministerial ordinance (Ministry of Finance Ordinance No. 21 of 2026) that amends the Enforcement Regulation of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). According to the metadata, the amending ordinance carries a promulgation date… (AI summary)

  25. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item is a ministerial ordinance (Ministry of Finance Ordinance No. 21 of Reiwa 8) that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). According to the provided metadata, it carries a promulgation date of… (AI summary)

  26. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). According to the provided metadata, the amending ordinance is Ministry of Finance Ordinance No. 21 of 2026, with a… (AI summary)

  27. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Promulgated

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). The amending ordinance is identified as Ministry of Finance Ordinance No. 21 of 2026, with a promulgation date… (AI summary)

  28. Ministerial Ordinance Amending Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Scheduled to Take Effect

    This item concerns a ministerial ordinance (MOF Ordinance No. 21 of 2026) that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). According to the metadata, the amending ordinance was promulgated on 2026-03-31 with… (AI summary)

  29. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Promulgated

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (originally Ministry of Finance Ordinance No. 15 of 1957). The amending ordinance is recorded as Ministry of Finance Ordinance No. 21 of Reiwa 8, with a promulgation date of… (AI summary)

  30. Ministerial Ordinance Partially Amending the Enforcement Regulations of the Act on Special Measures Concerning Taxation 2026-03-31 · e-Gov Law Search — Updated Laws · Promulgated

    This item concerns a ministerial ordinance that partially amends the Enforcement Regulations of the Act on Special Measures Concerning Taxation (Ordinance of the Ministry of Finance No. 15 of 1957). The metadata identifies the amending ordinance as Ordinance of the Ministry of Finance No. 21 of Reiwa 8, with a… (AI summary)

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