# 商法 / Commercial Code — 第一条 (Supplementary Provisions, Article 1)

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- Law: 商法 (Commercial Code), 明治三十二年法律第四十八号
- English title "Commercial 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: 第一条 (Supplementary Provisions, Article 1)（施行期日） — address `suppl-4131-128/art-1`
- Text in force since: 2026-06-24
- URL (the page that opens at this provision): https://japanlaw.org/en/commercial-code/suppl-4131-128/art-1
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/132AC0000000048/suppl-4131-128/art-1
- 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.

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### 第一条（施行期日） — Effective Date
<sup>caption: machine translation, not official</sup>
<sup>suppl-4131-128/art-1 · https://japanlaw.org/en/commercial-code/suppl-4131-128/art-1 · https://japanlaw.org/l/132AC0000000048/suppl-4131-128/art-1</sup>

**第一項**  この法律は、平成十四年四月一日から施行する。ただし、附則第十一条中商法等の一部を改正する等の法律（平成十三年法律第七十九号）附則第九条第一項の改正規定は、公布の日から施行する。
<sup>suppl-4131-128/art-1/par-1 · https://japanlaw.org/en/commercial-code/suppl-4131-128/art-1/par-1 · https://japanlaw.org/l/132AC0000000048/suppl-4131-128/art-1/par-1</sup>
This Act comes into effect on April 1, 2002; provided, however, that the provision of Article 11 of the Supplementary Provisions amending Article 9, paragraph (1) of the Supplementary Provisions of the Act Partially Amending the Commercial Code, etc. and Other Matters (Act No. 79 of 2001) comes into effect as of the date of promulgation.
<sup>machine translation, not official</sup>

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 商法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/132AC0000000048/20260624_508AC0000000046), retrieved 2026-11-05
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Commercial Code — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4293/tb), retrieved 2026-11-05
- claude-sonnet-5-5 — Machine translation, batch commercial-code-20261105T141039-002, translated 2026-11-05
- claude-sonnet-5-5 — Machine translation, batch commercial-code-20261105T141039-011, translated 2026-11-05
- This site's parser, version 224 — 商法 — structure, counts, cross-references and defined terms, computed 2026-11-05