# 民法 / Civil Code — 第二十九条 (Supplementary Provisions, Article 29) - Law: 民法 (Civil Code), 明治二十九年法律第八十九号 - English title "Civil Code": 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: 第二十九条 (Supplementary Provisions, Article 29)（契約の成立に関する経過措置） — address `suppl-4291-44/art-29` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/suppl-4291-44/art-29 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-29 - 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. --- ### 第二十九条（契約の成立に関する経過措置） — Transitional Measures Concerning Formation of Contracts caption: machine translation, not official suppl-4291-44/art-29 · https://japanlaw.org/ja/civil-code/suppl-4291-44/art-29 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-29 **第一項** 施行日前に契約の申込みがされた場合におけるその申込み及びこれに対する承諾については、なお従前の例による。 suppl-4291-44/art-29/par-1 · https://japanlaw.org/ja/civil-code/suppl-4291-44/art-29/par-1 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-29/par-1 With regard to an offer of a contract made before the Effective Date and the acceptance of that offer, the provisions then in force continue to govern. machine translation, not official **第二項** 施行日前に通知が発せられた契約の申込みについては、新法第五百二十六条の規定にかかわらず、なお従前の例による。 suppl-4291-44/art-29/par-2 · https://japanlaw.org/ja/civil-code/suppl-4291-44/art-29/par-2 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-29/par-2 With regard to an offer of a contract for which notice was issued before the Effective Date, notwithstanding the provisions of Article 526 of the New Act, the provisions then in force continue to govern. machine translation, not official **第三項** 施行日前にされた懸賞広告については、新法第五百二十九条から第五百三十条までの規定にかかわらず、なお従前の例による。 suppl-4291-44/art-29/par-3 · https://japanlaw.org/ja/civil-code/suppl-4291-44/art-29/par-3 · https://japanlaw.org/l/129AC0000000089/suppl-4291-44/art-29/par-3 With regard to an offer of reward to the public made before the Effective Date, notwithstanding the provisions of Articles 529 through 530 of the New Act, the provisions then in force continue to govern. machine translation, not official --- ## Cites - suppl-4291-44/art-29/par-2: 新法第五百二十六条 → 民法 第五百二十六条 (Article 526), art-526 — https://japanlaw.org/ja/civil-code/art-526 · https://japanlaw.org/l/129AC0000000089/art-526 - suppl-4291-44/art-29/par-3: 新法第五百二十九条から第五百三十条まで → 民法 第五百二十九条 (Article 529), art-529 — https://japanlaw.org/ja/civil-code/art-529 · https://japanlaw.org/l/129AC0000000089/art-529 - suppl-4291-44/art-29/par-3: 新法第五百二十九条から第五百三十条まで → 民法 第五百二十九条の二 (Article 529-2), art-529-2 — https://japanlaw.org/ja/civil-code/art-529-2 · https://japanlaw.org/l/129AC0000000089/art-529-2 - suppl-4291-44/art-29/par-3: 新法第五百二十九条から第五百三十条まで → 民法 第五百二十九条の三 (Article 529-3), art-529-3 — https://japanlaw.org/ja/civil-code/art-529-3 · https://japanlaw.org/l/129AC0000000089/art-529-3 - suppl-4291-44/art-29/par-3: 新法第五百二十九条から第五百三十条まで → 民法 第五百三十条 (Article 530), art-530 — https://japanlaw.org/ja/civil-code/art-530 · https://japanlaw.org/l/129AC0000000089/art-530 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 民法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/129AC0000000089/20260624_508AC0000000045), retrieved 2026-10-11 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Civil Code — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4848/tb), retrieved 2026-10-11 - claude-sonnet-5-5 — Machine translation, batch civil-code-20261011T170941-022, translated 2026-10-12 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11