# 私的独占の禁止及び公正取引の確保に関する法律 / Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — 附　則 (Supplementary Provisions) This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108. Every law, and how to address a provision: https://japanlaw.org/llms.txt. The same laws as MCP tools (no sign-in): https://japanlaw.org/mcp. - Law: 私的独占の禁止及び公正取引の確保に関する法律 (Act on Prohibition of Private Monopolization and Maintenance of Fair Trade), 昭和二十二年法律第五十四号 - English title "Act on Prohibition of Private Monopolization and Maintenance of Fair Trade": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 附　則 (Supplementary Provisions) — address `suppl-4281-108` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108 - e-Gov law ID: 322AC0000000054 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page. - Every provision below carries its address and its URL on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ## 附　則 平成二八年一二月一六日法律第一〇八号 suppl-4281-108 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4281-108/art-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-1 **第一項** この法律は、環太平洋パートナーシップに関する包括的及び先進的な協定が日本国について効力を生ずる日（第三号において「発効日」という。）から施行する。ただし、次の各号に掲げる規定は、当該各号に定める日から施行する。 suppl-4281-108/art-1/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-1/par-1 This Act comes into effect as of the date on which the Comprehensive and Progressive Agreement for Trans-Pacific Partnership takes effect for Japan (referred to as the "effective date" in item (iii)); provided, however, that the provisions set forth in each of the following items come into effect as of the day specified in the relevant item: machine translation, not official **一** 附則第九条の規定　公布の日 suppl-4281-108/art-1/par-1/item-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-1/par-1/item-1 the provisions of Article 9 of the Supplementary Provisions: the date of promulgation. machine translation, not official ### 第八条（罰則に関する経過措置） — Transitional Measures Concerning Penal Provisions caption: machine translation, not official suppl-4281-108/art-8 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-8 **第一項** 施行日前にした行為及び附則第五条の規定によりなお従前の例によることとされる場合における施行日以後にした行為に対する罰則の適用については、なお従前の例による。 suppl-4281-108/art-8/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-8/par-1 With regard to the application of penal provisions to an act committed before the Effective Date, and to an act committed on or after the Effective Date in a case in which the provisions then in force are to continue to govern pursuant to the provisions of Article 5 of the Supplementary Provisions, the provisions then in force continue to govern. machine translation, not official ### 第九条（政令への委任） — Delegation to Cabinet Order caption: machine translation, not official suppl-4281-108/art-9 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-9 **第一項** この附則に規定するもののほか、この法律の施行に伴い必要な経過措置（罰則に関する経過措置を含む。）は、政令で定める。 suppl-4281-108/art-9/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-9/par-1 Beyond what is provided for in these Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order. machine translation, not official --- ## Cites - suppl-4281-108/art-1/par-1/item-1: 附則第九条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第九条 (Supplementary Provisions, Article 9), suppl-4281-108/art-9 — https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-9 ## Cited by 1 provision cites this one. No official source publishes this direction. - 私的独占の禁止及び公正取引の確保に関する法律 附則第一条第一項第一号（施行期日） — https://japanlaw.org/ja/antimonopoly-act/suppl-4281-108/art-1/par-1/item-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 私的独占の禁止及び公正取引の確保に関する法律 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/322AC0000000054/20260521_505AC0000000063), retrieved 2026-11-06 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), retrieved 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-006, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-008, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-009, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-017, translated 2026-11-06 - This site's parser, version 225 — 私的独占の禁止及び公正取引の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-11-06