# 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 / Act on Preventing Delay in Payment to Small and Medium-Sized Entrusted Business Operators in Relation to Manufacturing Consignment — 第五条 (Article 5)

- Law: 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 (Act on Preventing Delay in Payment to Small and Medium-Sized Entrusted Business Operators in Relation to Manufacturing Consignment), 昭和三十一年法律第百二十号
- English title "Act on Preventing Delay in Payment to Small and Medium-Sized Entrusted Business Operators in Relation to Manufacturing Consignment": 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: 第五条 (Article 5)（委託事業者の遵守事項） — address `art-5`
- Text in force since: 2026-01-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/small-contractor-payment-act/art-5
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/331AC0000000120/art-5
- 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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### 第五条（委託事業者の遵守事項） — (Matters to Be Observed by Entrusting Business Operators)
<sup>caption: Ministry of Justice translation — Japanese Law Translation Database System</sup>
<sup>art-5 · https://japanlaw.org/ja/small-contractor-payment-act/art-5 · https://japanlaw.org/l/331AC0000000120/art-5</sup>

**第一項**  委託事業者は、中小受託事業者に対し製造委託等をした場合は、次に掲げる行為（役務提供委託又は特定運送委託をした場合にあつては、第一号及び第四号に掲げる行為を除く。）をしてはならない。
<sup>art-5/par-1 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-1</sup>
If an entrusting business operator concludes a manufacturing consignment, etc. with a small or medium-sized entrusted business operator, the entrusting business operator must not conduct any of the following acts (excluding the acts stated in items (i) and (iv) in the case of service contract or specific transportation consignment):
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**一**  中小受託事業者の責めに帰すべき理由がないのに、中小受託事業者の給付の受領を拒むこと。
<sup>art-5/par-1/item-1 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-1</sup>
refusing to receive performance from a small or medium-sized entrusted business operator without reasons attributable to the small or medium-sized entrusted business operator;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**二**  製造委託等代金をその支払期日の経過後なお支払わないこと（当該製造委託等代金の支払について、手形を交付すること並びに金銭及び手形以外の支払手段であつて当該製造委託等代金の支払期日までに当該製造委託等代金の額に相当する額の金銭と引き換えることが困難であるものを使用することを含む。）。
<sup>art-5/par-1/item-2 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-2 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-2</sup>
failure to pay the payment of manufacturing consignment, etc. even after the due date (including the delivery of negotiable instruments and the use of payment instruments other than money and negotiable instruments that are difficult to exchange for money in an amount equivalent to the payment for manufacturing consignment, etc. by the due date of the payment for manufacturing consignment, etc.);
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**三**  中小受託事業者の責めに帰すべき理由がないのに、製造委託等代金の額を減ずること。
<sup>art-5/par-1/item-3 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-3 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-3</sup>
reducing the amount of the payment for manufacturing consignment, etc. without reasons attributable to a small or medium-sized entrusted business operator;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**四**  中小受託事業者の責めに帰すべき理由がないのに、中小受託事業者の給付を受領した後、中小受託事業者にその給付に係る物を引き取らせること。
<sup>art-5/par-1/item-4 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-4 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-4</sup>
causing a small or medium-sized entrusted business operator to take back the things relating to the performance after receiving the performance from the small or medium-sized entrusted business operator, without any reason attributable to the small or medium-sized entrusted business operator;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**五**  中小受託事業者の給付の内容と同種又は類似の内容の給付に対し通常支払われる対価に比し著しく低い製造委託等代金の額を不当に定めること。
<sup>art-5/par-1/item-5 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-5 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-5</sup>
unjustly setting the amount of the payment for manufacturing consignment, etc. that is significantly lower than that normally paid for the same or similar content of performance that provided by a small or medium-sized entrusted business operator;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**六**  中小受託事業者の給付の内容を均質にし又はその改善を図るため必要がある場合その他正当な理由がある場合を除き、自己の指定する物を強制して購入させ、又は役務を強制して利用させること。
<sup>art-5/par-1/item-6 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-6 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-6</sup>
coercing a small or medium-sized entrusted business operator to purchase designated goods or to use designated services, except when there is a need to standardize or improve the content of the performance provided by the small or medium-sized entrusted business operator or when there are other justifiable grounds; and
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**七**  委託事業者についてこの条の規定に違反する事実があると認められる場合に中小受託事業者が公正取引委員会、中小企業庁長官又はその製造委託等に関する取引に係る事業を所管する大臣に対しその事実を知らせたことを理由として、取引の数量を減じ、取引を停止し、その他不利益な取扱いをすること。
<sup>art-5/par-1/item-7 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-7 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-7</sup>
in cases where it is found that there is a fact in violation of the provisions of this Article with regard to an entrusting business operator, the entrusted small and medium-sized business operator is reduced the volume of transactions, is suspended transactions, or is given other disadvantageous treatment on the grounds that the entrusted small and medium-sized business operator has informed the Japan Fair Trade Commission, the Commissioner of the Small and Medium Enterprise Agency, or the minister with jurisdiction over the business relating to transactions concerning the manufacturing consignment, etc. of that fact.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**第二項**  委託事業者は、中小受託事業者に対し製造委託等をした場合は、次に掲げる行為（役務提供委託又は特定運送委託をした場合にあつては、第一号に掲げる行為を除く。）をすることによつて、中小受託事業者の利益を不当に害してはならない。
<sup>art-5/par-2 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2 · https://japanlaw.org/l/331AC0000000120/art-5/par-2</sup>
If an entrusting business operator concludes a manufacturing consignment, etc. with a small or medium-sized entrusted business operator, the entrusting business operator must not unjustly harm the interests of the small or medium-sized entrusted business operator by committing any of the following acts (excluding the act stated in item (i) if a service contract or specific transportation consignment is concluded):
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**一**  自己に対する給付に必要な半製品、部品、附属品又は原材料（以下この号において「原材料等」という。）を自己から購入させた場合に、中小受託事業者の責めに帰すべき理由がないのに、当該原材料等を用いる給付に対する製造委託等代金の支払期日より早い時期に、支払うべき製造委託等代金の額から当該原材料等の対価の全部若しくは一部を控除し、又は当該原材料等の対価の全部若しくは一部を支払わせること。
<sup>art-5/par-2/item-1 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-1</sup>
in cases where a small or medium-sized entrusted business operator is made to purchase from itself semi-finished products, parts, accessories, or raw materials (referred to below as "raw materials, etc." in this item) necessary for the performance to itself, without reasons attributable to the small or medium-sized entrusted business operator, deducting all or part of the compensation for the raw materials, etc. from the amount of the payment for manufacturing consignment, etc. to be paid or making the small or medium-sized entrusted business operator pay all or part of the compensation for the raw materials, etc. at an earlier time than the due date of the payment for manufacturing consignment, etc. for the performance using the raw materials, etc.;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**二**  自己のために金銭、役務その他の経済上の利益を提供させること。
<sup>art-5/par-2/item-2 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-2 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-2</sup>
causing a person to provide money, services, or other economic benefits for the entrusting business operator itself;
<sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "causing a person to provide money, services, or other economic benefits on their own behalf;" — https://www.japaneselawtranslation.go.jp/en/laws/view/5106/tb</sup>

**三**  中小受託事業者の責めに帰すべき理由がないのに、中小受託事業者の給付の内容を変更させ、又は中小受託事業者の給付を受領した後（役務提供委託又は特定運送委託の場合にあつては、中小受託事業者からその委託に係る役務の提供を受けた後）に給付をやり直させること。
<sup>art-5/par-2/item-3 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-3 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-3</sup>
causing a small or medium-sized entrusted business operator to change the content of the performance, or to make performance again after receiving the performance from the small or medium-sized entrusted business operator (after receiving the entrusted services from the small or medium-sized entrusted business operator in the case of a service contract or specific transportation consignment), without any reason attributable to the small or medium-sized entrusted business operator;
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

**四**  中小受託事業者の給付に関する費用の変動その他の事情が生じた場合において、中小受託事業者が製造委託等代金の額に関する協議を求めたにもかかわらず、当該協議に応じず、又は当該協議において中小受託事業者の求めた事項について必要な説明若しくは情報の提供をせず、一方的に製造委託等代金の額を決定すること。
<sup>art-5/par-2/item-4 · https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-4 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-4</sup>
in cases where fluctuations in expenses related to performance provided by a small or medium-sized entrusted business operator or other circumstances have occurred, in spite of a request by the small or medium-sized entrusted business operator for consultation regarding the amount of the payment for manufacturing consignment, etc., unilaterally determining the amount of the payment for manufacturing consignment, etc. without responding to the consultation or without providing necessary explanation or information regarding the matters requested by the small or medium-sized entrusted business operator in the consultation.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Cites
- art-5/par-1: 第一号 → 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第一項第一号 (Article 5, paragraph (1), item (i)), art-5/par-1/item-1 — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-1
- art-5/par-1: 第四号 → 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第一項第四号 (Article 5, paragraph (1), item (iv)), art-5/par-1/item-4 — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-4 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-4
- art-5/par-1/item-7: この条 → 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条 (Article 5), art-5 — https://japanlaw.org/ja/small-contractor-payment-act/art-5 · https://japanlaw.org/l/331AC0000000120/art-5
- art-5/par-2: 第一号 → 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第二項第一号 (Article 5, paragraph (2), item (i)), art-5/par-2/item-1 — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-1
- art-5/par-2/item-1: この号 → 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第二項第一号 (Article 5, paragraph (2), item (i)), art-5/par-2/item-1 — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-1

## Cited by

8 provisions cite this one. No official source publishes this direction.

- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第一項（委託事業者の遵守事項） — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-1
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第一項第七号（委託事業者の遵守事項） — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-1/item-7 · https://japanlaw.org/l/331AC0000000120/art-5/par-1/item-7
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第二項（委託事業者の遵守事項） — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2 · https://japanlaw.org/l/331AC0000000120/art-5/par-2
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第五条第二項第一号（委託事業者の遵守事項） — https://japanlaw.org/ja/small-contractor-payment-act/art-5/par-2/item-1 · https://japanlaw.org/l/331AC0000000120/art-5/par-2/item-1
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第九条第一項（中小企業庁長官の請求） — https://japanlaw.org/ja/small-contractor-payment-act/art-9/par-1 · https://japanlaw.org/l/331AC0000000120/art-9/par-1
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第十条第一項（勧告） — https://japanlaw.org/ja/small-contractor-payment-act/art-10/par-1 · https://japanlaw.org/l/331AC0000000120/art-10/par-1
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 第十条第二項（勧告） — https://japanlaw.org/ja/small-contractor-payment-act/art-10/par-2 · https://japanlaw.org/l/331AC0000000120/art-10/par-2
- 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 附則第二条第二項（下請代金支払遅延等防止法の一部改正に伴う経過措置） — https://japanlaw.org/ja/small-contractor-payment-act/suppl-5071-41/art-2/par-2 · https://japanlaw.org/l/331AC0000000120/suppl-5071-41/art-2/par-2

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-10-11
- e-Gov 法令検索, Digital Agency (デジタル庁) — 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 — the text in force from 2026-01-01 (https://laws.e-gov.go.jp/law/331AC0000000120/20260101_507AC0000000041), retrieved 2026-10-11
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Preventing Delay in Payment to Small and Medium-Sized Entrusted Business Operators in Relation to Manufacturing Consignment — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5106/tb), retrieved 2026-10-11
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Preventing Delay in Payment to Small and Medium-Sized Entrusted Business Operators in Relation to Manufacturing Consignment (製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律), Article 5, paragraph (2), item (ii) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/5106/tb), retrieved 2026-10-11
- This site's parser, version 189 — 製造委託等に係る中小受託事業者に対する代金の支払の遅延等の防止に関する法律 — structure, counts, cross-references and defined terms, computed 2026-10-11
