# 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 — 附　則 (Supplementary Provisions)

This is the Markdown twin of https://japanlaw.org/en/antimonopoly-act/suppl-4121-76. 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: 附　則 (Supplementary Provisions) — address `suppl-4121-76`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/en/antimonopoly-act/suppl-4121-76
- 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.

---

## 附　則 平成一二年五月一九日法律第七六号
<sup>suppl-4121-76 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76</sup>

### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4121-76/art-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-1</sup>

**第一項**  この法律は、平成十三年一月六日から起算して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、第一条の規定は、公布の日から起算して一月を経過した日から施行する。
<sup>suppl-4121-76/art-1/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-1/par-1</sup>
This Act comes into effect on the date specified by Cabinet Order within a period not exceeding six months from January 6, 2001 provided, however, that the provisions of Article 1 come into effect on the day on which one month has elapsed from the date of promulgation.
<sup>machine translation, not official</sup>

### 第二条（経過措置） — Transitional Measures
<sup>caption: machine translation, not official</sup>
<sup>suppl-4121-76/art-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-2</sup>

**第一項**  改正後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「新法」という。）第二十五条の規定は、次項に定めるものを除き、この法律の施行の日（以下「施行日」という。）以後に開始された行為について適用し、施行日前に既になくなっている行為については、なお従前の例による。
<sup>suppl-4121-76/art-2/par-1 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-2/par-1</sup>
The provisions of Article 25 of the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade as amended (hereinafter referred to as the "New Act"), except for what is provided for in the following paragraph, apply to acts that commenced on or after the date on which this Act comes into effect (hereinafter referred to as the "Effective Date"), and with regard to acts that had already ceased to exist before the Effective Date, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

**第二項**  新法第二十五条の規定は、施行日前に開始され、施行日以後に終わった行為のうち施行日以後に係るものについて適用し、当該行為のうち施行日前に係るものについては、なお従前の例による。
<sup>suppl-4121-76/art-2/par-2 · https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-2/par-2</sup>
The provisions of Article 25 of the New Act apply to the portion on or after the Effective Date of acts that commenced before the Effective Date and ended on or after the Effective Date, and with regard to the portion of those acts before the Effective Date, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

---

## Cites
- suppl-4121-76/art-2/par-1: 第二十五条 → 私的独占の禁止及び公正取引の確保に関する法律 第二十五条 (Article 25), art-25 — https://japanlaw.org/en/antimonopoly-act/art-25
- suppl-4121-76/art-2/par-1: 次項 → 私的独占の禁止及び公正取引の確保に関する法律 附則第二条第二項 (Supplementary Provisions, Article 2, paragraph (2)), suppl-4121-76/art-2/par-2 — https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/art-2/par-2
- suppl-4121-76/art-2/par-2: 新法第二十五条 → 私的独占の禁止及び公正取引の確保に関する法律 第二十五条 (Article 25), art-25 — https://japanlaw.org/en/antimonopoly-act/art-25

## 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（経過措置） — https://japanlaw.org/en/antimonopoly-act/suppl-4121-76/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-20261106T060022-007, translated 2026-11-06
- claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-010, translated 2026-11-06
- claude-sonnet-5-5, corrected on review by claude-opus-5-5 — Machine translation corrected on review, batch antimonopoly-act-20261106T060022-010, 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