# 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 — 第三条 (Supplementary Provisions, Article 3) This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/suppl-4091-87/art-3. 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: 第三条 (Supplementary Provisions, Article 3) — address `suppl-4091-87/art-3` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-4091-87/art-3 - 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. --- ### 第三条 suppl-4091-87/art-3 · https://japanlaw.org/ja/antimonopoly-act/suppl-4091-87/art-3 **第一項** この法律の施行前にあった改正前の私的独占の禁止及び公正取引の確保に関する法律（以下「旧法」という。）第九条第一項若しくは第二項、第九条の二第一項又は第十七条（旧法第九条第一項若しくは第二項又は第九条の二第一項に係る部分に限る。）の規定に違反する行為を排除するために必要な措置については、なお従前の例による。 suppl-4091-87/art-3/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4091-87/art-3/par-1 With regard to measures necessary to eliminate an act that existed before this Act comes into effect in violation of the provisions of Article 9, paragraph (1) or (2) or Article 9-2, paragraph (1) of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade prior to amendment (hereinafter referred to as the "Former Act") or Article 17 of the Former Act (limited to the part pertaining to Article 9, paragraph (1) or (2) or Article 9-2, paragraph (1) of the Former Act), the provisions then in force continue to govern. machine translation, not official --- ## 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-20261106T060022-009, 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