# 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-3281-259. 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-3281-259` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259 - 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 昭和二八年九月一日法律第二五九号 suppl-3281-259 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259 **第一項** この法律は、公布の日から施行する。 suppl-3281-259/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-1 This Act comes into effect on the date of promulgation. machine translation, not official **第二項** 事業者団体法（昭和二十三年法律第百九十一号）は、廃止する。 suppl-3281-259/par-2 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-2 The Trade Association Act (Act No. 191 of 1948) is abolished. machine translation, not official **第三項** この法律の施行前に生じた事項については、改正前の私的独占の禁止及び公正取引の確保に関する法律（以下「旧法」という。）及び旧事業者団体法の規定を適用する。 suppl-3281-259/par-3 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-3 With regard to matters that arose before this Act comes into effect, the provisions of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment (hereinafter referred to as the "Former Act") and the provisions of the Former Trade Association Act apply. machine translation, not official **第四項** この法律の施行の際、公正取引委員会の審決が確定していない事項については、旧法の規定による不公正な競争方法であつて、改正後の私的独占の禁止及び公正取引の確保に関する法律（以下「新法」という。）の規定による不公正な取引方法であるものに関する事項を除き、前項の規定にかかわらず、新法を適用する。但し、既に行つた手続の効力を妨げない。 suppl-3281-259/par-4 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-4 Notwithstanding the preceding paragraph, with regard to matters on which a decision of the Japan Fair Trade Commission has not become final at the time this Act comes into effect, the New Act applies, except for matters concerning unfair methods of competition under the provisions of the Former Act that are unfair trade practices under the provisions of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade as amended (hereinafter referred to as the "New Act"), provided, however, that this does not preclude the effect of procedures already carried out. machine translation, not official **第五項** この法律の施行に際し、公正取引委員会が、旧法第七十二条第一項の規定により告示した不公正な競争方法について新法第二条第七項の規定による指定をしようとするときは、新法第七十一条の規定は、適用しない。 suppl-3281-259/par-5 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-5 When, upon the enforcement of this Act, the Japan Fair Trade Commission intends to make a designation under the provisions of Article 2, paragraph (7) of the New Act with regard to unfair methods of competition that it has publicly notified pursuant to the provisions of Article 72, paragraph (1) of the Former Act, the provisions of Article 71 of the New Act do not apply. machine translation, not official **第六項** この法律の施行前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-3281-259/par-6 · https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-6 With regard to the application of penal provisions to acts committed before this Act comes into effect, the provisions then in force continue to govern. machine translation, not official --- ## Cites - suppl-3281-259/par-4: 前項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第三項 (Supplementary Provisions, paragraph (3)), suppl-3281-259/par-3 — https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-3 - suppl-3281-259/par-5: 新法第二条第七項 → 私的独占の禁止及び公正取引の確保に関する法律 第二条第七項 (Article 2, paragraph (7)), art-2/par-7 — https://japanlaw.org/ja/antimonopoly-act/art-2/par-7 - suppl-3281-259/par-5: 新法第七十一条 → 私的独占の禁止及び公正取引の確保に関する法律 第七十一条 (Article 71), art-71 — https://japanlaw.org/ja/antimonopoly-act/art-71 ## 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 附則第四項 — https://japanlaw.org/ja/antimonopoly-act/suppl-3281-259/par-4 --- ## 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-20261106T060022-005, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-006, 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