# 著作権法 / Copyright Act — 第四十七条の三 (Article 47-3) - Law: 著作権法 (Copyright Act), 昭和四十五年法律第四十八号 - English title "Copyright Act": 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: 第四十七条の三 (Article 47-3)（プログラムの著作物の複製物の所有者による複製等） — address `art-47-3` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/art-47-3 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/art-47-3 - 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. --- ### 第四十七条の三（プログラムの著作物の複製物の所有者による複製等） — (Reproduction by the Owner of a Copy of a Work of Computer Programming; Related Matters) caption: Ministry of Justice translation — Japanese Law Translation Database System art-47-3 · https://japanlaw.org/ja/copyright-act/art-47-3 · https://japanlaw.org/l/345AC0000000048/art-47-3 **第一項** プログラムの著作物の複製物の所有者は、自ら当該著作物を電子計算機において実行するために必要と認められる限度において、当該著作物を複製することができる。ただし、当該実行に係る複製物の使用につき、第百十三条第五項の規定が適用される場合は、この限りでない。 art-47-3/par-1 · https://japanlaw.org/ja/copyright-act/art-47-3/par-1 · https://japanlaw.org/l/345AC0000000048/art-47-3/par-1 The owner of a copy of a work of computer programming may reproduce that work to the extent that this is found to be necessary in order for the owner to execute the work on a computer by themselves; provided, however, that this does not apply where the provisions of Article 113, paragraph (5) apply to the use that is made of such copies in connection with its execution. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "The owner of a copy of a work of computer programming may reproduce that work to the extent that this is found to be necessary in order for the person to execute the work on that person's own computer; provided, however, that this is not cases when the provisions of Article 113, paragraph (5) apply to the use that is made of such copies in connection with its execution." — https://www.japaneselawtranslation.go.jp/en/laws/view/4207/tb **第二項** 前項の複製物の所有者が当該複製物（同項の規定により作成された複製物を含む。）のいずれかについて滅失以外の事由により所有権を有しなくなつた後には、その者は、当該著作権者の別段の意思表示がない限り、その他の複製物を保存してはならない。 art-47-3/par-2 · https://japanlaw.org/ja/copyright-act/art-47-3/par-2 · https://japanlaw.org/l/345AC0000000048/art-47-3/par-2 After the owner of a copy referred to in the preceding paragraph (including copies made pursuant to the provisions of that paragraph) ceases to own one of the copies of the work for reasons other than the destruction thereof, the owner may not preserve other copies of the work if the copyright owner has not specifically manifested the intention to permit this. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-47-3/par-1: 第百十三条第五項 → 著作権法 第百十三条第五項 (Article 113, paragraph (5)), art-113/par-5 — https://japanlaw.org/ja/copyright-act/art-113/par-5 · https://japanlaw.org/l/345AC0000000048/art-113/par-5 - art-47-3/par-2: 前項 → 著作権法 第四十七条の三第一項 (Article 47-3, paragraph (1)), art-47-3/par-1 — https://japanlaw.org/ja/copyright-act/art-47-3/par-1 · https://japanlaw.org/l/345AC0000000048/art-47-3/par-1 ## Cited by 8 provisions cite this one. No official source publishes this direction. - 著作権法 第四十七条の三第二項（プログラムの著作物の複製物の所有者による複製等） — https://japanlaw.org/ja/copyright-act/art-47-3/par-2 · https://japanlaw.org/l/345AC0000000048/art-47-3/par-2 - 著作権法 第四十七条の六第一項第六号（翻訳、翻案等による利用） — https://japanlaw.org/ja/copyright-act/art-47-6/par-1/item-6 · https://japanlaw.org/l/345AC0000000048/art-47-6/par-1/item-6 - 著作権法 第四十九条第一項第四号（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-1/item-4 · https://japanlaw.org/l/345AC0000000048/art-49/par-1/item-4 - 著作権法 第四十九条第一項第五号（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-1/item-5 · https://japanlaw.org/l/345AC0000000048/art-49/par-1/item-5 - 著作権法 第四十九条第二項第四号（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-2/item-4 · https://japanlaw.org/l/345AC0000000048/art-49/par-2/item-4 - 著作権法 第四十九条第二項第五号（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-2/item-5 · https://japanlaw.org/l/345AC0000000048/art-49/par-2/item-5 - 著作権法 第百十三条第五項（侵害とみなす行為） — https://japanlaw.org/ja/copyright-act/art-113/par-5 · https://japanlaw.org/l/345AC0000000048/art-113/par-5 - 著作権法 附則第六項 — https://japanlaw.org/ja/copyright-act/suppl-4111-77/par-6 · https://japanlaw.org/l/345AC0000000048/suppl-4111-77/par-6 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-10-19 - e-Gov 法令検索, Digital Agency (デジタル庁) — 著作権法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/345AC0000000048/20260624_508AC0000000048), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Copyright Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4207/tb), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Copyright Act (著作権法), Article 47-3, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/4207/tb), retrieved 2026-10-19 - This site's parser, version 210 — 著作権法 — structure, counts, cross-references and defined terms, computed 2026-10-19