# 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-4101-81. 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-4101-81` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4101-81 - 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 平成一〇年五月二九日法律第八一号 suppl-4101-81 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4101-81/art-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1 **第一項** この法律は、平成十一年一月一日から施行する。ただし、第十一条第一項及び第二項の改正規定、第十三条第三項及び第十四条第二項を削る改正規定、第六十七条第一項の改正規定（「第十四条第一項」を「第十四条」に改める部分に限る。）、第九十一条第五号、第九十一条の二第六号及び第七号並びに第九十五条第一項第二号の改正規定並びに附則第三条、第四条、第七条及び第八条の規定は、公布の日から施行する。 suppl-4101-81/art-1/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1/par-1 This Act comes into effect on January 1, 1999, provided, however, that the provisions amending Article 11, paragraphs (1) and (2), the provisions deleting Article 13, paragraph (3) and Article 14, paragraph (2), the provisions amending Article 67, paragraph (1) (limited to the part replacing "Article 14, paragraph (1)" with "Article 14"), the provisions amending Article 91, item (v), Article 91-2, items (vi) and (vii) and Article 95, paragraph (1), item (ii), and the provisions of Article 3, Article 4, Article 7 and Article 8 of the Supplementary Provisions come into effect as of the date of promulgation. machine translation, not official ### 第二条（経過措置） — Transitional Measures caption: machine translation, not official suppl-4101-81/art-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2 **第一項** この法律の施行の日（以下「施行日」という。）前に終了した事業年度に係る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。）第十条第二項に規定する株式に関する報告書については、なお従前の例による。 suppl-4101-81/art-2/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-1 With regard to the report on shares prescribed in Article 10, paragraph (2) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment (hereinafter referred to as the "Former Act") for a business year that ended before the day on which this Act comes into effect (hereinafter referred to as the "Effective Date"), the provisions then in force continue to govern. 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。）第十条第二項に規定する株式所有会社は、この法律の施行の際現に同項に規定する株式発行会社の株式を所有している場合（金銭又は有価証券の信託に係る株式について、自己が、委託者若しくは受益者となり議決権を行使することができる場合又は議決権の行使について受託者に指図を行うことができる場合を含む。）であって、当該株式の数の当該株式発行会社の発行済の株式の総数に占める割合が、施行日を含む事業年度の開始の日以後施行日の前日までの間において、同項に規定する政令で定める数値を超えることとなったときは、公正取引委員会規則で定めるところにより、施行日から三十日以内に、当該株式に関する報告書を公正取引委員会に提出しなければならない。 suppl-4101-81/art-2/par-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-2 A share-owning company prescribed in Article 10, paragraph (2) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade after amendment (hereinafter referred to as the "New Act") that, at the time this Act comes into effect, currently owns shares of a share issuing company prescribed in that paragraph (including, with regard to shares in a trust of money or securities, the case where it itself becomes the settlor or beneficiary and can exercise voting rights, or the case where it can give instructions to the trustee on the exercise of voting rights), and for which the ratio of the number of those shares to the total number of issued shares of that share issuing company has come to exceed the numerical value specified by Cabinet Order prescribed in that paragraph during the period from the start date of the business year including the Effective Date through the day preceding the Effective Date, must submit a report on those shares to the Japan Fair Trade Commission within 30 days from the Effective Date, as provided by the Rules of the Japan Fair Trade Commission. machine translation, not official **第三項** 新法第十七条の二及び第八章第二節の規定は、前項の規定に違反する行為がある場合に準用する。この場合において、新法第十七条の二第一項、第四十八条第一項及び第五十四条第一項中「第十条」とあるのは、「第十条、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（平成十年法律第八十一号）附則第二条第二項」と読み替えるものとする。 suppl-4101-81/art-2/par-3 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-3 The provisions of Article 17-2 and Chapter VIII, Section 2 of the New Act apply mutatis mutandis to an act in violation of the provisions of the preceding paragraph. In this case, the phrase "Article 10" in Article 17-2, paragraph (1), Article 48, paragraph (1) and Article 54, paragraph (1) of the New Act is deemed to be replaced with "Article 10, Article 2, paragraph (2) of the Supplementary Provisions of the Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 81 of 1998)". machine translation, not official ### 第三条 suppl-4101-81/art-3 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-3 **第一項** 附則第一条ただし書に規定する規定の施行前にあった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第十一条第一項又は第十七条（同法第十一条第一項に係る部分に限る。）の規定に違反する行為を排除するために必要な措置については、なお従前の例による。 suppl-4101-81/art-3/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-3/par-1 With regard to measures necessary to eliminate an act that existed before the enforcement of the provisions prescribed in the proviso to Article 1 of the Supplementary Provisions in violation of the provisions of Article 11, paragraph (1) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment or Article 17 of that Act (limited to the part pertaining to Article 11, paragraph (1) of that Act), the provisions then in force continue to govern. machine translation, not official ### 第四条 suppl-4101-81/art-4 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4 **第一項** 附則第一条ただし書に規定する規定の施行前にした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第十三条第三項に規定する役員の兼任又は同法第十四条第二項に規定する会社以外の者による株式所有に係る届出又は報告書の提出については、なお従前の例による。 suppl-4101-81/art-4/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4/par-1 With regard to a notification or the submission of a report made before the enforcement of the provisions prescribed in the proviso to Article 1 of the Supplementary Provisions pertaining to interlocking officers prescribed in Article 13, paragraph (3) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment, or to shareholding by a person other than a company prescribed in Article 14, paragraph (2) of that Act, the provisions then in force continue to govern. machine translation, not official ### 第五条 suppl-4101-81/art-5 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-5 **第一項** 旧法第十五条第二項（旧法第十六条において準用する場合を含む。）の規定によりされた届出であって、この法律の施行の際旧法第十五条第三項本文（旧法第十六条において準用する場合を含む。）に規定する三十日の期間又は旧法第十五条第三項ただし書（旧法第十六条において準用する場合を含む。）の規定により短縮され、若しくは延長された期間を経過していないものについては、なお従前の例による。 suppl-4101-81/art-5/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-5/par-1 With regard to a notification made pursuant to Article 15, paragraph (2) of the Former Act (including as applied mutatis mutandis pursuant to Article 16 of the Former Act) for which, at the time this Act comes into effect, the period of 30 days prescribed in the main clause of Article 15, paragraph (3) of the Former Act (including as applied mutatis mutandis pursuant to Article 16 of the Former Act) or the period shortened or extended pursuant to the proviso to Article 15, paragraph (3) of the Former Act (including as applied mutatis mutandis pursuant to Article 16 of the Former Act) has not elapsed, the provisions then in force continue to govern. machine translation, not official ### 第六条 suppl-4101-81/art-6 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-6 **第一項** 施行日前に旧法第十五条第二項又は第三項の規定に違反して会社が合併した場合における合併の無効の訴えについては、なお従前の例による。 suppl-4101-81/art-6/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-6/par-1 With regard to an action to have a merger declared invalid in the case where, before the Effective Date, companies merged in violation of Article 15, paragraph (2) or (3) of the Former Act, the provisions then in force continue to govern. machine translation, not official ### 第七条 suppl-4101-81/art-7 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7 **第一項** この法律（附則第一条ただし書に規定する規定については、当該規定。以下同じ。）の施行前にした行為並びに附則第二条第一項、第四条及び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この法律の施行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-4101-81/art-7/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7/par-1 With regard to the application of penal provisions to acts committed before this Act (or, for the provisions prescribed in the proviso to Article 1 of the Supplementary Provisions, those provisions; the same applies hereinafter) comes into effect, and to acts committed after this Act comes into effect in the cases where the provisions then in force are to continue to govern pursuant to Article 2, paragraph (1), Article 4 and Article 5 of the Supplementary Provisions, the provisions then in force continue to govern. machine translation, not official ### 第八条（政令への委任） — Delegation to Cabinet Order caption: machine translation, not official suppl-4101-81/art-8 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-8 **第一項** 附則第二条から前条までに定めるもののほか、この法律の施行に関して必要な経過措置は、政令で定める。 suppl-4101-81/art-8/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-8/par-1 In addition to what is provided for in Article 2 through the preceding Article of the Supplementary Provisions, transitional measures necessary for the enforcement of this Act are specified by Cabinet Order. machine translation, not official --- ## Cites - suppl-4101-81/art-1/par-1: 附則第三条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第三条 (Supplementary Provisions, Article 3), suppl-4101-81/art-3 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-3 - suppl-4101-81/art-1/par-1: 第四条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第四条 (Supplementary Provisions, Article 4), suppl-4101-81/art-4 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4 - suppl-4101-81/art-1/par-1: 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-4101-81/art-7 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7 - suppl-4101-81/art-1/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-4101-81/art-8 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-8 - suppl-4101-81/art-2/par-2: 第十条第二項 → 私的独占の禁止及び公正取引の確保に関する法律 第十条第二項 (Article 10, paragraph (2)), art-10/par-2 — https://japanlaw.org/en/antimonopoly-act/art-10/par-2 - suppl-4101-81/art-2/par-3: 新法第十七条の二 → 私的独占の禁止及び公正取引の確保に関する法律 第十七条の二 (Article 17-2), art-17-2 — https://japanlaw.org/en/antimonopoly-act/art-17-2 - suppl-4101-81/art-2/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 附則第二条第二項 (Supplementary Provisions, Article 2, paragraph (2)), suppl-4101-81/art-2/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-2 - suppl-4101-81/art-2/par-3: 新法第十七条の二第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第十七条の二第一項 (Article 17-2, paragraph (1)), art-17-2/par-1 — https://japanlaw.org/en/antimonopoly-act/art-17-2/par-1 - suppl-4101-81/art-2/par-3: 第四十八条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第四十八条第一項 (Article 48, paragraph (1)), art-48/par-1 — https://japanlaw.org/en/antimonopoly-act/art-48/par-1 - suppl-4101-81/art-2/par-3: 第五十四条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第五十四条第一項 (Article 54, paragraph (1)), art-54/par-1 — https://japanlaw.org/en/antimonopoly-act/art-54/par-1 - suppl-4101-81/art-2/par-3: 第十条 → 私的独占の禁止及び公正取引の確保に関する法律 第十条 (Article 10), art-10 — https://japanlaw.org/en/antimonopoly-act/art-10 - suppl-4101-81/art-3/par-1: 附則第一条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第一条 (Supplementary Provisions, Article 1), suppl-4101-81/art-1 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1 - suppl-4101-81/art-4/par-1: 附則第一条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第一条 (Supplementary Provisions, Article 1), suppl-4101-81/art-1 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1 - suppl-4101-81/art-7/par-1: 附則第一条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第一条 (Supplementary Provisions, Article 1), suppl-4101-81/art-1 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1 - suppl-4101-81/art-7/par-1: 附則第二条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第二条第一項 (Supplementary Provisions, Article 2, paragraph (1)), suppl-4101-81/art-2/par-1 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-1 - suppl-4101-81/art-7/par-1: 第四条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第四条 (Supplementary Provisions, Article 4), suppl-4101-81/art-4 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4 - suppl-4101-81/art-7/par-1: 第五条 → 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-4101-81/art-5 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-5 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第二条 (Supplementary Provisions, Article 2), suppl-4101-81/art-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第三条 (Supplementary Provisions, Article 3), suppl-4101-81/art-3 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-3 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第四条 (Supplementary Provisions, Article 4), suppl-4101-81/art-4 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 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-4101-81/art-5 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-5 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第六条 (Supplementary Provisions, Article 6), suppl-4101-81/art-6 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-6 - suppl-4101-81/art-8/par-1: 附則第二条から前条まで → 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-4101-81/art-7 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7 ## 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 附則第一条第一項（施行期日） — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-1/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第二条第三項（経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-2/par-3 - 私的独占の禁止及び公正取引の確保に関する法律 附則第三条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-3/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第四条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-4/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第七条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-7/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第八条第一項（政令への委任） — https://japanlaw.org/en/antimonopoly-act/suppl-4101-81/art-8/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-20261106T060022-006, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-007, 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-20261106T060022-010, 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