# 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 — 第一条 (Supplementary Provisions, Article 1) This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-1. 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-4211-51/art-1` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-1 - 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. --- ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4211-51/art-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-1 **第一項** この法律は、公布の日から起算して一年を超えない範囲内において政令で定める日（以下「施行日」という。）から施行する。ただし、第八条の改正規定、第八条の二第一項及び第二項の改正規定、第八条の三の改正規定（「第八条第一項第一号」を「第八条第一号」に改める部分に限る。）、第二十四条、第二十五条第一項及び第二十六条第一項の改正規定、第四十三条の次に一条を加える改正規定、第五十九条第二項の改正規定（「第八条第一項第一号」を「第八条第一号」に改める部分に限る。）、第六十六条第四項の改正規定（「第八条第一項」を「第八条」に改める部分に限る。）、第七十条の十三第一項の改正規定（「第八条第一項」を「第八条」に改める部分に限る。）、第七十条の十五に後段を加える改正規定、同条に一項を加える改正規定、第八十四条第一項の改正規定、第八十九条第一項第二号の改正規定、第九十条の改正規定、第九十一条の二の改正規定（同条第一号を削る部分に限る。）、第九十三条の改正規定並びに第九十五条の改正規定（同条第一項第三号中「（第三号を除く。）」を削る部分、同条第二項第三号中「、第九十一条第四号若しくは第五号（第四号に係る部分に限る。）、第九十一条の二第一号」を削る部分（第九十一条の二第一号に係る部分を除く。）及び第九十五条第三項中「前項」を「第二項」に改め、同条第二項の次に二項を加える部分を除く。）並びに附則第九条、第十四条、第十六条から第十九条まで及び第二十条第一項の規定、附則第二十一条中農業協同組合法（昭和二十二年法律第百三十二号）第七十二条の八の二及び第七十三条の二十四の改正規定並びに附則第二十三条及び第二十四条の規定は、公布の日から起算して一月を経過した日から施行する。 suppl-4211-51/art-1/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-1/par-1 This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year from the date of promulgation (hereinafter referred to as the "Effective Date"), provided, however, that the provisions amending Article 8, the provisions amending Article 8-2, paragraphs (1) and (2), the provisions amending Article 8-3 (limited to the part replacing "Article 8, paragraph (1), item (i)" with "Article 8, item (i)"), the provisions amending Article 24, Article 25, paragraph (1), and Article 26, paragraph (1), the provisions adding one Article after Article 43, the provisions amending Article 59, paragraph (2) (limited to the part replacing "Article 8, paragraph (1), item (i)" with "Article 8, item (i)"), the provisions amending Article 66, paragraph (4) (limited to the part replacing "Article 8, paragraph (1)" with "Article 8"), the provisions amending Article 70-13, paragraph (1) (limited to the part replacing "Article 8, paragraph (1)" with "Article 8"), the provisions adding a second sentence to Article 70-15, the provisions adding one paragraph to that Article, the provisions amending Article 84, paragraph (1), the provisions amending Article 89, paragraph (1), item (ii), the provisions amending Article 90, the provisions amending Article 91-2 (limited to the part deleting item (i) of that Article), the provisions amending Article 93, and the provisions amending Article 95 (excluding the part deleting "(excluding item (iii))" in paragraph (1), item (iii) of that Article, the part deleting ", Article 91, item (iv) or (v) (limited to the part pertaining to item (iv)), Article 91-2, item (i)" in paragraph (2), item (iii) of that Article (excluding the part pertaining to Article 91-2, item (i)), and the part replacing "the preceding paragraph" with "paragraph (2)" in Article 95, paragraph (3) and adding two paragraphs after paragraph (2) of that Article), and Articles 9, 14 and 16 through 19 and Article 20, paragraph (1) of the Supplementary Provisions; the provisions amending Articles 72-8-2 and 73-24 of the Agricultural Co-operatives Act (Act No. 132 of 1947) in Article 21 of the Supplementary Provisions; and Articles 23 and 24 of the Supplementary Provisions come into effect on the day on which one month has elapsed from the date of promulgation. machine translation, not official --- ## Cites - suppl-4211-51/art-1/par-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-4211-51/art-9 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-9 - suppl-4211-51/art-1/par-1: 第十四条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第十四条 (Supplementary Provisions, Article 14), suppl-4211-51/art-14 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-14 - suppl-4211-51/art-1/par-1: 第十六条から第十九条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第十六条 (Supplementary Provisions, Article 16), suppl-4211-51/art-16 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-16 - suppl-4211-51/art-1/par-1: 第十六条から第十九条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第十七条 (Supplementary Provisions, Article 17), suppl-4211-51/art-17 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-17 - suppl-4211-51/art-1/par-1: 第十六条から第十九条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第十八条 (Supplementary Provisions, Article 18), suppl-4211-51/art-18 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-18 - suppl-4211-51/art-1/par-1: 第十六条から第十九条まで → 私的独占の禁止及び公正取引の確保に関する法律 附則第十九条 (Supplementary Provisions, Article 19), suppl-4211-51/art-19 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-19 - suppl-4211-51/art-1/par-1: 第二十条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第二十条第一項 (Supplementary Provisions, Article 20, paragraph (1)), suppl-4211-51/art-20/par-1 — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-20/par-1 ## Cited by 5 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 附則第九条第一項（事業者団体届出に関する経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-9/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十四条第一項（利害関係人の閲覧謄写請求手続に関する経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-14/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十六条第一項（求意見制度についての経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-16/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十六条第二項（求意見制度についての経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-16/par-2 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十七条第一項（処分、手続等に関する経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-4211-51/art-17/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, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch antimonopoly-act-20261106T060022-013, 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