# 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-5011-45/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-5011-45/art-1` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/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-5011-45/art-1 · https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1 **第一項** この法律は、公布の日から起算して一年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、次の各号に掲げる規定は、当該各号に定める日から施行する。 suppl-5011-45/art-1/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1/par-1 This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year and six months from the date of promulgation; provided, however, that the provisions listed in the following items come into effect as of the date specified in the respective items. machine translation, not official **一** 第一条中私的独占の禁止及び公正取引の確保に関する法律（以下「独占禁止法」という。）第七条の二第七項、第九十四条の二並びに第九十五条第一項及び第二項の改正規定並びに附則第十二条、第十三条及び第十五条の規定　公布の日から起算して一月を経過した日 suppl-5011-45/art-1/par-1/item-1 · https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1/par-1/item-1 the provisions of Article 1 amending Article 7-2, paragraph (7), Article 94-2, and Article 95, paragraphs (1) and (2) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (hereinafter referred to as the "Antimonopoly Act"), and Articles 12, 13 and 15 of the Supplementary Provisions: the day on which one month has elapsed from the date of promulgation; machine translation, not official **二** 第一条（前号に掲げる改正規定を除く。）及び次条の規定　公布の日から起算して九月を超えない範囲内において政令で定める日 suppl-5011-45/art-1/par-1/item-2 · https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1/par-1/item-2 Article 1 (excluding the provisions amending the provisions set forth in the preceding item) and the following Article: the date specified by Cabinet Order within a period not exceeding nine months from the date of promulgation. machine translation, not official --- ## Cites - suppl-5011-45/art-1/par-1/item-1: 附則第十二条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第十二条 (Supplementary Provisions, Article 12), suppl-5011-45/art-12 — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-12 - suppl-5011-45/art-1/par-1/item-1: 第十三条 → 私的独占の禁止及び公正取引の確保に関する法律 附則第十三条 (Supplementary Provisions, Article 13), suppl-5011-45/art-13 — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-13 - suppl-5011-45/art-1/par-1/item-2: 前号 → 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一号 (Supplementary Provisions, Article 1, paragraph (1), item (i)), suppl-5011-45/art-1/par-1/item-1 — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1/par-1/item-1 - suppl-5011-45/art-1/par-1/item-2: 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-5011-45/art-2 — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-2 ## Cited by 4 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 附則第一条第一項第二号（施行期日） — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-1/par-1/item-2 - 私的独占の禁止及び公正取引の確保に関する法律 附則第二条第一項（延滞金に関する経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/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 附則第十二条第一項（処分、手続等に関する経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-12/par-1 - 私的独占の禁止及び公正取引の確保に関する法律 附則第十三条第一項（政令への委任） — https://japanlaw.org/en/antimonopoly-act/suppl-5011-45/art-13/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-20261106T060022-017, translated 2026-11-06 - claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch antimonopoly-act-20261106T060022-017, 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