# 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)

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- 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-4141-152`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152
- 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.

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## 附　則 平成一四年一二月一三日法律第一五二号
<sup>suppl-4141-152 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152</sup>

### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4141-152/art-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1</sup>

**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。
<sup>suppl-4141-152/art-1/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1</sup>
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:
<sup>machine translation, not official</sup>

  **一**  略
  <sup>suppl-4141-152/art-1/par-1/item-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1/item-1</sup>
  Omitted
  <sup>machine translation, not official</sup>

  **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
  <sup>suppl-4141-152/art-1/par-1/item-2 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-1/par-1/item-2</sup>
  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.
  <sup>machine translation, not official</sup>

### 第四条（罰則に関する経過措置） — Transitional Measures Concerning Penal Provisions
<sup>caption: machine translation, not official</sup>
<sup>suppl-4141-152/art-4 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-4</sup>

**第一項**  この法律の施行前にした行為に対する罰則の適用については、なお従前の例による。
<sup>suppl-4141-152/art-4/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-4/par-1</sup>
With regard to the application of penal provisions to acts committed before this Act comes into effect, the provisions then in force continue to govern.
<sup>machine translation, not official</sup>

### 第五条（その他の経過措置の政令への委任） — Delegation of Other Transitional Measures to Cabinet Order
<sup>caption: machine translation, not official</sup>
<sup>suppl-4141-152/art-5 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-5</sup>

**第一項**  前三条に定めるもののほか、この法律の施行に関し必要な経過措置は、政令で定める。
<sup>suppl-4141-152/art-5/par-1 · https://japanlaw.org/ja/antimonopoly-act/suppl-4141-152/art-5/par-1</sup>
Beyond what is provided for in the preceding three Articles, the transitional measures necessary in connection with the enforcement of this Act are specified by Cabinet Order.
<sup>machine translation, not official</sup>

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## 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

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## 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-20261106T060022-009, translated 2026-11-06
- claude-sonnet-5-5 — Machine translation, batch antimonopoly-act-20261106T060022-010, 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