# 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 — 第五十一条 (Article 51) This is the Markdown twin of https://japanlaw.org/ja/antimonopoly-act/art-51. 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: 第五十一条 (Article 51) — address `art-51` - Text in force since: 2026-05-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/art-51 - 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. --- ### 第五十一条 art-51 · https://japanlaw.org/ja/antimonopoly-act/art-51 **第一項** 前条第一項の規定による通知を受けた者（以下この節において「当事者」という。）は、代理人を選任することができる。 art-51/par-1 · https://japanlaw.org/ja/antimonopoly-act/art-51/par-1 The person who has received the notice set forth in paragraph (1) of the preceding Article (hereinafter referred to as the "party" in this Section) may appoint agents. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 代理人は、各自、当事者のために、意見聴取に関する一切の行為をすることができる。 art-51/par-2 · https://japanlaw.org/ja/antimonopoly-act/art-51/par-2 Each agent may perform any act relating to a hearing on behalf of the party. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "Agents may perform any act relating to an individual hearing on behalf of the party." — https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb --- ## Cites - art-51/par-1: 前条第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第五十条第一項 (Article 50, paragraph (1)), art-50/par-1 — https://japanlaw.org/ja/antimonopoly-act/art-50/par-1 ## 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 第六十二条第四項 — https://japanlaw.org/ja/antimonopoly-act/art-62/par-4 - 私的独占の禁止及び公正取引の確保に関する法律 第六十四条第四項 — https://japanlaw.org/ja/antimonopoly-act/art-64/par-4 - 私的独占の禁止及び公正取引の確保に関する法律 第七十条の三第二項 — https://japanlaw.org/ja/antimonopoly-act/art-70-3/par-2 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-11-06 - 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 (私的独占の禁止及び公正取引の確保に関する法律), Article 51, paragraph (2) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), 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 - 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