# 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-5051-63/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-5051-63/art-1` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/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-5051-63/art-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/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-5051-63/art-1/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-1/par-1 This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the days specified in those items. machine translation, not official **一** 第一条及び第二条の規定並びに附則第七条、第十九条及び第二十条の規定　公布の日 suppl-5051-63/art-1/par-1/item-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-1/par-1/item-1 the provisions of Articles 1 and 2 and Articles 7, 19 and 20 of the Supplementary Provisions: the date of promulgation; machine translation, not official **二** 第四条、第十三条及び第二十条の規定、第二十一条中内航海運業法第六条第一項第二号の改正規定、第二十三条、第二十九条、第三十一条、第三十二条、第三十六条及び第三十九条の規定、第四十一条中貨物自動車運送事業法第五条第二号の改正規定、第四十三条、第四十四条及び第四十九条の規定、第五十五条中民間事業者による信書の送達に関する法律第八条第二号の改正規定並びに第五十六条、第五十八条、第六十条、第六十二条及び第六十三条の規定並びに次条並びに附則第十条、第十二条及び第十三条の規定　公布の日から起算して三年を超えない範囲内において政令で定める日 suppl-5051-63/art-1/par-1/item-2 · https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-1/par-1/item-2 the provisions of Articles 4, 13 and 20, the provision in Article 21 amending Article 6, paragraph (1), item (ii) of the Coastal Shipping Business Act, the provisions of Articles 23, 29, 31, 32, 36 and 39, the provision in Article 41 amending Article 5, item (ii) of the Motor Truck Transportation Business Act, the provisions of Articles 43, 44 and 49, the provision in Article 55 amending Article 8, item (ii) of the Act on Correspondence Delivery by Private Business Operators, and the provisions of Articles 56, 58, 60, 62 and 63, and of the following Article and Articles 10, 12 and 13 of the Supplementary Provisions: the date specified by Cabinet Order within a period not exceeding three years from the date of promulgation. machine translation, not official --- ## Cites - suppl-5051-63/art-1/par-1/item-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-5051-63/art-7 — https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-7 - suppl-5051-63/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-5051-63/art-2 — https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-2 ## Cited by 1 provision cites 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（公示送達等の方法に関する経過措置） — https://japanlaw.org/ja/antimonopoly-act/suppl-5051-63/art-2/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-20261106T060022-012, translated 2026-11-06 - claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-018, 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