# 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/en/antimonopoly-act/suppl-4141-47/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-4141-47/art-1` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/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-4141-47/art-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/art-1 **第一項** この法律は、公布の日から起算して六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。ただし、第七条第二項、第八条の二第二項、第四十八条第二項、第四十八条の二第三項及び第五項、第五十条第一項及び第四項、第五十四条第二項、第五十八条第一項並びに第六十九条の二の改正規定、同条を第六十九条の三とする改正規定、同条の次に一条を加える改正規定、第六十九条の次に一条を加える改正規定、第九十五条第一項第一号及び第二項第一号の改正規定、次条の規定、附則第九条中水産業協同組合法（昭和二十三年法律第二百四十二号）第九十五条の四の改正規定並びに附則第十条及び第十四条の規定は、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-4141-47/art-1/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/art-1/par-1 This Act comes into effect on the date specified by Cabinet Order within a period not exceeding six months from the date of promulgation; provided, however, that the provisions amending Article 7, paragraph (2), Article 8-2, paragraph (2), Article 48, paragraph (2), Article 48-2, paragraphs (3) and (5), Article 50, paragraphs (1) and (4), Article 54, paragraph (2), Article 58, paragraph (1), and Article 69-2, the provisions amending that Article to make it Article 69-3, the provisions adding one Article after that Article, the provisions adding one Article after Article 69, the provisions amending Article 95, paragraph (1), item (i) and paragraph (2), item (i), the provisions of the following Article, the provisions of Article 9 of the Supplementary Provisions that amend Article 95-4 of the Fishery Industry Cooperative Act (Act No. 242 of 1948), and the provisions of Articles 10 and 14 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-4141-47/art-1/par-1: 次条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第二条 (Supplementary Provisions, Article 2), suppl-4141-47/art-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/art-2 ## Cited by 3 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 附則第二条第一項（経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/art-2/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第六条第一項 — https://japanlaw.org/en/antimonopoly-act/suppl-4141-47/art-6/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第一条第一項第二号（施行期日） — https://japanlaw.org/en/antimonopoly-act/suppl-4141-152/art-1/par-1/item-2 --- ## 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-20261106T060022-011, 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