# 民法 / Civil Code — 第二百四十六条 (Article 246) - 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: 第二百四十六条 (Article 246)（加工） — address `art-246` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/civil-code/art-246 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/129AC0000000089/art-246 - 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. --- ### 第二百四十六条（加工） — (Processing) caption: Ministry of Justice translation — Japanese Law Translation Database System art-246 · https://japanlaw.org/ja/civil-code/art-246 · https://japanlaw.org/l/129AC0000000089/art-246 **第一項** 他人の動産に工作を加えた者（以下この条において「加工者」という。）があるときは、その加工物の所有権は、材料の所有者に帰属する。ただし、工作によって生じた価格が材料の価格を著しく超えるときは、加工者がその加工物の所有権を取得する。 art-246/par-1 · https://japanlaw.org/ja/civil-code/art-246/par-1 · https://japanlaw.org/l/129AC0000000089/art-246/par-1 If a person (referred to as "processor" in this Article below) adds labor to another person's movables, the ownership of the processed thing belongs to the owner of the material; provided, however, that if the value derived from the work significantly exceeds the value of the material, the processor acquires ownership of the processed thing. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項に規定する場合において、加工者が材料の一部を供したときは、その価格に工作によって生じた価格を加えたものが他人の材料の価格を超えるときに限り、加工者がその加工物の所有権を取得する。 art-246/par-2 · https://japanlaw.org/ja/civil-code/art-246/par-2 · https://japanlaw.org/l/129AC0000000089/art-246/par-2 In the cases prescribed in the preceding paragraph, if the processor provides a portion of the materials, the processor acquires ownership of the processed thing only if the value of provided materials added to the value derived from the labor exceeds the value of the other person's materials. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-246/par-1: この条 → 民法 第二百四十六条 (Article 246), art-246 — https://japanlaw.org/ja/civil-code/art-246 · https://japanlaw.org/l/129AC0000000089/art-246 - art-246/par-2: 前項 → 民法 第二百四十六条第一項 (Article 246, paragraph (1)), art-246/par-1 — https://japanlaw.org/ja/civil-code/art-246/par-1 · https://japanlaw.org/l/129AC0000000089/art-246/par-1 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 民法 第二百四十六条第一項（加工） — https://japanlaw.org/ja/civil-code/art-246/par-1 · https://japanlaw.org/l/129AC0000000089/art-246/par-1 - 民法 第二百四十六条第二項（加工） — https://japanlaw.org/ja/civil-code/art-246/par-2 · https://japanlaw.org/l/129AC0000000089/art-246/par-2 - 民法 第二百四十七条第一項（付合、混和又は加工の効果） — https://japanlaw.org/ja/civil-code/art-247/par-1 · https://japanlaw.org/l/129AC0000000089/art-247/par-1 - 民法 第二百四十八条第一項（付合、混和又は加工に伴う償金の請求） — https://japanlaw.org/ja/civil-code/art-248/par-1 · https://japanlaw.org/l/129AC0000000089/art-248/par-1 --- ## 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 - This site's parser, version 190 — 民法 — structure, counts, cross-references and defined terms, computed 2026-10-11