# 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-4141-152/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-4141-152/art-1` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/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-4141-152/art-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1 **第一項** この法律は、行政手続等における情報通信の技術の利用に関する法律（平成十四年法律第百五十一号）の施行の日から施行する。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-4141-152/art-1/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1 This Act comes into effect on the date on which the Act on the Use of Information and Communications Technology in Administrative Procedures, etc. (Act No. 151 of 2002) comes into effect; provided, however, that the provisions set forth in the following items come into effect on the dates specified in those items: machine translation, not official **一** 略 suppl-4141-152/art-1/par-1/item-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1/item-1 Omitted machine translation, not official **二** 第七条の規定　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（平成十四年法律第四十七号）附則第一条ただし書に定める日又はこの法律の施行の日のいずれか遅い日 suppl-4141-152/art-1/par-1/item-2 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1/item-2 the provisions of Article 7: the later of the date specified in the proviso to Article 1 of the Supplementary Provisions of the Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 47 of 2002) or the date on which this Act comes into effect. machine translation, not official --- ## Cites - suppl-4141-152/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の一部を改正する法律（平成十四年法律第四十七号）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-4141-47/art-1 — https://japanlaw.org/ja/antimonopoly-act/suppl-4141-47/art-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-20261106T060022-011, 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