# 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 — 第五条 (Supplementary Provisions, Article 5) This is the Markdown twin of https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5. 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: 第五条 (Supplementary Provisions, Article 5) — address `suppl-4171-35/art-5` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5 - 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. --- ### 第五条 suppl-4171-35/art-5 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5 **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の一部を改正する法律（平成二十五年法律第百号）による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（以下この条並びに附則第七条及び第八条において「新私的独占禁止法」という。）第七条の二第一項（新私的独占禁止法第八条の三において読み替えて準用する場合を含む。）又は第二項に規定する違反行為（旧法第七条の二第一項（旧法第八条の三において読み替えて準用する場合を含む。）に規定するものを除く。）について新私的独占禁止法第六十二条第四項において読み替えて準用する新私的独占禁止法第五十条第一項の規定による通知をする場合において当該違反行為が平成十八年一月四日前に開始され、同日以後になくなったものであるときは、当該違反行為のうち同日前に係るものについては、課徴金の納付を命ずることができない。 suppl-4171-35/art-5/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-1 With regard to a violation prescribed in Article 7-2, paragraph (1) (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 8-3) or paragraph (2) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade after amendment by the Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 100 of 2013) (hereinafter referred to as the "New Act on Prohibition of Private Monopolization" in this Article and Articles 7 and 8 of the Supplementary Provisions) (excluding one prescribed in Article 7-2, paragraph (1) of the Former Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 8-3 of the Former Act)), in the case where notification is given pursuant to Article 50, paragraph (1) of the New Act on Prohibition of Private Monopolization as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 62, paragraph (4) of the New Act on Prohibition of Private Monopolization and that violation began before January 4, 2006 and ceased on or after that date, payment of a surcharge cannot be ordered for the part of that violation relating to the period before that date. machine translation, not official **第二項** 新私的独占禁止法第七条の二第一項（新私的独占禁止法第八条の三において読み替えて準用する場合を含む。）又は第二項に規定する違反行為（旧法第七条の二第一項（旧法第八条の三において読み替えて準用する場合を含む。）に規定するものに限る。）について新私的独占禁止法第六十二条第四項において読み替えて準用する新私的独占禁止法第五十条第一項の規定による通知をする場合において当該違反行為が平成十八年一月四日前に開始され、同日以後になくなったものであるときは、当該違反行為のうち同日前に係るものについての課徴金の額の計算（売上額に乗ずる率に限る。）については、なお従前の例による。 suppl-4171-35/art-5/par-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-2 With regard to a violation prescribed in Article 7-2, paragraph (1) of the New Act on Prohibition of Private Monopolization (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 8-3 of the New Act on Prohibition of Private Monopolization) or paragraph (2) of that Article (limited to one prescribed in Article 7-2, paragraph (1) of the Former Act (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 8-3 of the Former Act)), in the case where notification is given pursuant to Article 50, paragraph (1) of the New Act on Prohibition of Private Monopolization as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 62, paragraph (4) of the New Act on Prohibition of Private Monopolization and that violation began before January 4, 2006 and ceased on or after that date, the provisions then in force continue to govern the calculation of the amount of the surcharge (limited to the rate by which the amount of sales is multiplied) for the part of that violation relating to the period before that date. machine translation, not official **第三項** 前項の場合における新私的独占禁止法第七条の二第一項（新私的独占禁止法第八条の三において読み替えて準用する場合を含む。）の規定の適用については、同項本文中「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（当該期間」とあるのは、「平成十八年一月四日の前日までの期間と平成十八年一月四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とを合算した期間（当該合算した期間」とする。 suppl-4171-35/art-5/par-3 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-3 With regard to the application of Article 7-2, paragraph (1) of the New Act on Prohibition of Private Monopolization (including as applied mutatis mutandis following the deemed replacement of terms pursuant to Article 8-3 of the New Act on Prohibition of Private Monopolization) in the case referred to in the preceding paragraph, the phrase "the period until the day on which the business activities in implementing that act cease (the period" in the main clause of Article 7-2, paragraph (1) of the New Act on Prohibition of Private Monopolization is deemed to be replaced with "the period obtained by adding together the period until the day preceding January 4, 2006 and the period from January 4, 2006 until the day on which the business activities in implementing that act cease (the period so added together". machine translation, not official **第四項** 第二項の場合における新私的独占禁止法第七条の二第十九項本文及び第六十三条第一項本文の規定の適用については、これらの規定中「その額」とあるのは「その額中当該違反行為のうち平成十八年一月四日以後に係るものに対応する部分の金額」と、「控除した額」とあるのは「控除した額（当該対応する部分の金額が当該罰金額の二分の一を下回る場合には、零円）と当該違反行為のうち同日前に係るものに対応する部分の金額との合計額」とする。 suppl-4171-35/art-5/par-4 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-4 With regard to the application of Article 7-2, paragraph (19), main clause and Article 63, paragraph (1), main clause of the New Act on Prohibition of Private Monopolization in the case referred to in paragraph (2), the phrase "that amount" in these provisions is deemed to be replaced with "the portion of that amount corresponding to the part of the violation relating to the period on or after January 4, 2006", and the phrase "the amount after deduction" is deemed to be replaced with "the total of the amount after deduction (or zero yen, where the amount of that corresponding portion is less than one-half of the amount of the fine) and the amount of the portion corresponding to the part of the violation relating to the period before that date". machine translation, not official **第五項** 第二項の場合における新私的独占禁止法第七条の二第十九項ただし書の規定の適用については、同項ただし書中「第一項、第四項から第九項まで、第十一項若しくは第十二項の規定により計算した額が当該罰金額の二分の一に相当する金額を超えないとき、又は当該控除後の額」とあるのは、「私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律（平成十七年法律第三十五号）附則第五条第四項の規定により読み替えて適用されるこの項本文に規定する合計額」とする。 suppl-4171-35/art-5/par-5 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-5 With regard to the application of the proviso to Article 7-2, paragraph (19) of the New Act on Prohibition of Private Monopolization in the case referred to in paragraph (2), the phrase "if the amount calculated pursuant to paragraph (1), paragraphs (4) through (9), paragraph (11), or paragraph (12) does not exceed the amount equivalent to one-half of the amount of the fine, or if the amount after that deduction" in the proviso to Article 7-2, paragraph (19) of the New Act on Prohibition of Private Monopolization is deemed to be replaced with "the total amount prescribed in the main clause of this paragraph as applied following the deemed replacement of terms pursuant to Article 5, paragraph (4) of the Supplementary Provisions of the Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 35 of 2005)". machine translation, not official **第六項** 第二項の場合における新私的独占禁止法第六十三条第一項ただし書の規定の適用については、同項ただし書中「当該納付命令に係る課徴金の額が当該罰金額の二分の一に相当する金額を超えないとき、又は当該変更後の額」とあるのは、「私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律（平成十七年法律第三十五号）附則第五条第四項の規定により読み替えて適用されるこの項本文に規定する合計額」とする。 suppl-4171-35/art-5/par-6 · https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-6 With regard to the application of the proviso to Article 63, paragraph (1) of the New Act on Prohibition of Private Monopolization in the case referred to in paragraph (2), the phrase "the amount of the surcharge in the payment order does not exceed the amount equivalent to one-half of the amount of the fine or if the amount after the modification" in the proviso to Article 63, paragraph (1) of the New Act on Prohibition of Private Monopolization is deemed to be replaced with "the total amount prescribed in the main clause of this paragraph as applied following the deemed replacement of terms pursuant to Article 5, paragraph (4) of the Supplementary Provisions of the Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 35 of 2005)". machine translation, not official --- ## Cites - suppl-4171-35/art-5/par-1: この条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第五条 (Supplementary Provisions, Article 5), suppl-4171-35/art-5 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5 - suppl-4171-35/art-5/par-1: 附則第七条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第七条 (Supplementary Provisions, Article 7), suppl-4171-35/art-7 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-7 - suppl-4171-35/art-5/par-1: 第八条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第八条 (Supplementary Provisions, Article 8), suppl-4171-35/art-8 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-8 - suppl-4171-35/art-5/par-1: 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-4171-35/art-5/par-1: 新私的独占禁止法第八条の三 → 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-4171-35/art-5/par-1: 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 - suppl-4171-35/art-5/par-1: 新私的独占禁止法第六十二条第四項 → 私的独占の禁止及び公正取引の確保に関する法律 第六十二条第四項 (Article 62, paragraph (4)), art-62/par-4 — https://japanlaw.org/en/antimonopoly-act/art-62/par-4 - suppl-4171-35/art-5/par-1: 新私的独占禁止法第五十条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第五十条第一項 (Article 50, paragraph (1)), art-50/par-1 — https://japanlaw.org/en/antimonopoly-act/art-50/par-1 - suppl-4171-35/art-5/par-2: 新私的独占禁止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-4171-35/art-5/par-2: 新私的独占禁止法第八条の三 → 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-4171-35/art-5/par-2: 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 - suppl-4171-35/art-5/par-2: 新私的独占禁止法第六十二条第四項 → 私的独占の禁止及び公正取引の確保に関する法律 第六十二条第四項 (Article 62, paragraph (4)), art-62/par-4 — https://japanlaw.org/en/antimonopoly-act/art-62/par-4 - suppl-4171-35/art-5/par-2: 新私的独占禁止法第五十条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第五十条第一項 (Article 50, paragraph (1)), art-50/par-1 — https://japanlaw.org/en/antimonopoly-act/art-50/par-1 - suppl-4171-35/art-5/par-3: 前項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第二項 (Supplementary Provisions, Article 5, paragraph (2)), suppl-4171-35/art-5/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-2 - suppl-4171-35/art-5/par-3: 新私的独占禁止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-4171-35/art-5/par-3: 新私的独占禁止法第八条の三 → 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-4171-35/art-5/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 附則第五条第二項 (Supplementary Provisions, Article 5, paragraph (2)), suppl-4171-35/art-5/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-2 - suppl-4171-35/art-5/par-4: 第六十三条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第六十三条第一項 (Article 63, paragraph (1)), art-63/par-1 — https://japanlaw.org/en/antimonopoly-act/art-63/par-1 - suppl-4171-35/art-5/par-5: 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 附則第五条第二項 (Supplementary Provisions, Article 5, paragraph (2)), suppl-4171-35/art-5/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-2 - suppl-4171-35/art-5/par-5: 私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律（平成十七年法律第三十五号）附則第五条第四項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第四項 (Supplementary Provisions, Article 5, paragraph (4)), suppl-4171-35/art-5/par-4 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-4 - suppl-4171-35/art-5/par-6: 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 附則第五条第二項 (Supplementary Provisions, Article 5, paragraph (2)), suppl-4171-35/art-5/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-2 - suppl-4171-35/art-5/par-6: 新私的独占禁止法第六十三条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第六十三条第一項 (Article 63, paragraph (1)), art-63/par-1 — https://japanlaw.org/en/antimonopoly-act/art-63/par-1 - suppl-4171-35/art-5/par-6: 私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律（平成十七年法律第三十五号）附則第五条第四項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第四項 (Supplementary Provisions, Article 5, paragraph (4)), suppl-4171-35/art-5/par-4 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-4 ## Cited by 6 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 附則第五条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第三項 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-3 - 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第四項 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-4 - 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第五項 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-5 - 私的独占の禁止及び公正取引の確保に関する法律 附則第五条第六項 — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-5/par-6 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十二条第一項（政令への委任） — https://japanlaw.org/en/antimonopoly-act/suppl-4171-35/art-12/par-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-20261106T060022-012, translated 2026-11-06 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch antimonopoly-act-20261106T060022-012, 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