# 民事訴訟法 / Code of Civil Procedure — 附　則 (Supplementary Provisions) - Law: 民事訴訟法 (Code of Civil Procedure), 平成八年法律第百九号 - English title "Code of Civil Procedure": 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-4161-120` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/408AC0000000109/suppl-4161-120 - Every provision below carries its address and both URLs 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 平成一六年六月一八日法律第一二〇号 suppl-4161-120 · https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120 · https://japanlaw.org/l/408AC0000000109/suppl-4161-120 ### 第一条（施行期日） — Effective Date caption: machine translation, not official suppl-4161-120/art-1 · https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120/art-1 · https://japanlaw.org/l/408AC0000000109/suppl-4161-120/art-1 **第一項** この法律は、平成十七年四月一日から施行する。 suppl-4161-120/art-1/par-1 · https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120/art-1/par-1 · https://japanlaw.org/l/408AC0000000109/suppl-4161-120/art-1/par-1 This Act comes into effect on April 1, 2005. machine translation, not official ### 第二条（経過措置の原則） — Principles of Transitional Measures caption: machine translation, not official suppl-4161-120/art-2 · https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120/art-2 · https://japanlaw.org/l/408AC0000000109/suppl-4161-120/art-2 **第一項** この法律による改正後の裁判所法、民事訴訟法、民事訴訟費用等に関する法律、特許法、実用新案法、意匠法、商標法、不正競争防止法及び著作権法の規定（罰則を除く。）は、この附則に特別の定めがある場合を除き、この法律の施行前に生じた事項にも適用する。ただし、この法律による改正前のこれらの法律の規定により生じた効力を妨げない。 suppl-4161-120/art-2/par-1 · https://japanlaw.org/en/code-of-civil-procedure/suppl-4161-120/art-2/par-1 · https://japanlaw.org/l/408AC0000000109/suppl-4161-120/art-2/par-1 The provisions of the Courts Act, the Code of Civil Procedure, the Act on the Costs of Civil Proceedings, the Patent Act, the Utility Model Act, the Design Act, the Trademark Act, the Unfair Competition Prevention Act and the Copyright Act as amended by this Act (excluding penal provisions) also apply to matters that arose before this Act comes into effect, except where these Supplementary Provisions provide otherwise; provided, however, that this does not affect the effect that arose under the provisions of those Acts before their amendment by this Act. machine translation, not official --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 民事訴訟法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/408AC0000000109/20260624_508AC0000000046), retrieved 2026-10-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Code of Civil Procedure — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4797/tb), retrieved 2026-10-17 - claude-sonnet-5-5 — Machine translation, batch code-of-civil-procedure-20261017T235501-005, translated 2026-10-18 - This site's parser, version 209 — 民事訴訟法 — structure, counts, cross-references and defined terms, computed 2026-10-17