# 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/en/antimonopoly-act/suppl-4031-42. 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-4031-42` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4031-42 - 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 平成三年四月二六日法律第四二号 suppl-4031-42 · https://japanlaw.org/en/antimonopoly-act/suppl-4031-42 **第一項** この法律は、公布の日から起算して三月を超えない範囲内において政令で定める日から施行する。 suppl-4031-42/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-1 This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding three months from the date of promulgation. machine translation, not official **第二項** 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。）の規定は、次項に定めるものを除き、この法律の施行の日（以下「施行日」という。）以後に開始された行為について適用し、施行日前に既になくなっている行為については、なお従前の例による。 suppl-4031-42/par-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-2 Except as provided for in the following paragraph, the provisions of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade after amendment (hereinafter referred to as the "New Act") apply to acts that began on or after the day on which this Act comes into effect (hereinafter referred to as the "Effective Date"), and, with regard to acts that had already ceased to exist before the Effective Date, the provisions then in force continue to govern. machine translation, not official **第三項** 新法の規定は、施行日前に開始され、施行日以後に終わった行為のうち施行日以後に係るものについて適用し、当該行為のうち施行日前に係るものについては、なお従前の例による。この場合において、当該行為の実行としての事業活動を行った日から当該行為の実行としての事業活動がなくなる日までの期間が三年を超えるときは、当該行為の実行としての事業活動がなくなる日からさかのぼって三年間を実行期間とみなす。 suppl-4031-42/par-3 · https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-3 The provisions of the New Act apply to that part, relating to the period on or after the Effective Date, of acts that began before the Effective Date and ended on or after the Effective Date, and, with regard to that part of such acts relating to the period before the Effective Date, the provisions then in force continue to govern. In this case, if the period from the day on which business activities as the implementation of the act were carried out until the day on which the business activities as the implementation of the act cease exceeds three years, the three years going back from the day on which the business activities as the implementation of the act cease is deemed to be the period of implementation. machine translation, not official **第四項** 前項の場合において、新法第七条の二第一項（新法第八条の三において準用する場合を含む。以下同じ。）ただし書及び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。）第七条の二第一項（旧法第八条の三において準用する場合を含む。以下同じ。）ただし書の規定の適用については、新法第七条の二第一項本文又は第二項（新法第八条の三において準用する場合を含む。）及び旧法第七条の二第一項本文の規定により計算した課徴金に相当する額の合計額が五十万円未満であるときは、その納付を命ずることができない。 suppl-4031-42/par-4 · https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-4 In the case referred to in the preceding paragraph, with regard to the application of the proviso to Article 7-2, paragraph (1) of the New Act (including as applied mutatis mutandis pursuant to Article 8-3 of the New Act; the same applies hereinafter) and the proviso to Article 7-2, paragraph (1) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment (hereinafter referred to as the "Former Act") (including as applied mutatis mutandis pursuant to Article 8-3 of the Former Act; the same applies hereinafter), if the total sum of the amounts equivalent to the surcharge calculated pursuant to the provisions of the main clause of Article 7-2, paragraph (1) or paragraph (2) of the New Act (including as applied mutatis mutandis pursuant to Article 8-3 of the New Act) and the main clause of Article 7-2, paragraph (1) of the Former Act is less than 500,000 yen, the payment of the surcharge may not be ordered. machine translation, not official --- ## Cites - suppl-4031-42/par-2: 次項 → 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-4031-42/par-3 — https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-3 - suppl-4031-42/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-4031-42/par-3 — https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-3 - suppl-4031-42/par-4: 新法第七条の二第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第七条の二第一項 (Article 7-2, paragraph (1)), art-7-2/par-1 — https://japanlaw.org/en/antimonopoly-act/art-7-2/par-1 - suppl-4031-42/par-4: 新法第八条の三 → 私的独占の禁止及び公正取引の確保に関する法律 第八条の三 (Article 8-3), art-8-3 — https://japanlaw.org/en/antimonopoly-act/art-8-3 - suppl-4031-42/par-4: 第二項 → 私的独占の禁止及び公正取引の確保に関する法律 第七条の二第二項 (Article 7-2, paragraph (2)), art-7-2/par-2 — https://japanlaw.org/en/antimonopoly-act/art-7-2/par-2 ## Cited by 2 provisions cite 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 附則第二項（経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4031-42/par-2 - 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/en/antimonopoly-act/suppl-4031-42/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-20261106T060022-008, 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