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Act on Prohibition of Private Monopolization and Maintenance of Fair Trade

私的独占の禁止及び公正取引の確保に関する法律(してきどくせんのきんしおよびこうせいとりひきのかくほにかんするほうりつ)

Chapter IV Shareholdings, Interlocking Officers, Mergers, Splits, Share Transfers, and Acceptance of Assignments of Business (Article 10)

The law as Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025) leaves it, with the words it changes marked.

The main text is read a page at a time: a chapter to a page, and a long chapter in runs of articles. The whole main text, and the supplementary provisions and appended tables this amendment changes. Those it leaves untouched are on the page for the text in force.

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Article 10第十条

Article 10, paragraph (1)

A company must not acquire or hold shares of other companies if its acquisition or holding of shares substantially restrains competition in any particular field of trade, nor must any company use unfair trade practices to acquire or hold shares in another company.

会社は、他の会社の株式を取得し、又は所有することにより、一定の取引分野における競争を実質的に制限することとなる場合には、当該株式を取得し、又は所有してはならず、及び不公正な取引方法により他の会社の株式を取得し、又は所有してはならない。

Article 10, paragraph (2)

If a company whose domestic sales (meaning the amount stipulated by the Rules of the Japan Fair Trade Commission as the total amount of value of goods and services supplied in Japan in the most recent business year; the same applies hereinafter) as calculated in conjunction with the domestic sales of companies, etc. other than the relevant company (meaning companies, partnerships (including equivalents of partnerships in foreign countries; the same applies hereinafter in this Article) and any other business entities that are similar to these; the same applies hereinafter in this Article) that belong to the group of combined companies to which the relevant company belongs (meaning a group consisting of the relevant company, its subsidiary companies, its parent company which is not a subsidiary company of another company, and subsidiary companies of the relevant parent company (excluding the relevant company and subsidiary companies of the relevant company); the same applies hereinafter) using a method stipulated in the Rules of the Japan Fair Trade Commission (hereinafter referred to as the "total domestic sales amount") exceeds the amount provided by Cabinet Order, which must be no less than twenty billion yen (the company is referred to as a "share acquiring company" hereinafter in this Article), intends to acquire shares of another company whose domestic sales as calculated in conjunction with the domestic sales of subsidiary companies of the relevant other company using a method stipulated in the Rules of the Japan Fair Trade Commission exceeds the amount provided by Cabinet Order, which must be no less than five billion yen (the company is referred to as the "share issuing company" hereinafter in this Article) (including when the share acquiring company is a settlor or beneficiary and may exercise voting rights or give instructions to the trustee regarding the exercise of the voting rights with regard to the shares held in money or securities trust, and intends to have the trustee acquire shares issued by the share issuing company), so that the ratio of the number of voting rights, which combines the number of voting rights for the shares of the issuing company to be held by the acquiring company after the acquisition with the number of voting rights for the shares of the issuing company held by companies, etc. other than the acquiring company that belongs to the group of combined companies to which the share acquiring company belongs (referred to as "companies, etc. other than the share acquiring company" in paragraph (4) below), to the voting rights of all shareholders of the issuing company exceeds the numerical value provided for by Cabinet Order (if more than one numerical value is provided for, each of the numerical values pursuant to the provisions of Cabinet Order), which must be no less than twenty percent, must give the Japan Fair Trade Commission advance notification of the plan for the acquisition, pursuant to the provisions of the Rules of the Japan Fair Trade Commission; provided, however, this does not apply if the advance submission of such a plan is stipulated as being difficult under the Rules of the Japan Fair Trade Commission.

会社であつて、その国内売上高(国内において供給された商品及び役務の価額の最終事業年度における合計額として公正取引委員会規則で定めるものをいう。以下同じ。)と当該会社が属する企業結合集団(会社及び当該会社の子会社並びに当該会社の親会社であつて他の会社の子会社でないもの及び当該親会社の子会社(当該会社及び当該会社の子会社を除く。)から成る集団をいう。以下同じ。)に属する当該会社以外の会社等(会社、組合(外国における組合に相当するものを含む。以下この条において同じ。)その他これらに類似する事業体をいう。以下この条において同じ。)の国内売上高を公正取引委員会規則で定める方法により合計した額(以下「国内売上高合計額」という。)が二百億円を下回らない範囲内において政令で定める金額を超えるもの(以下この条において「株式取得会社」という。)は、他の会社であつて、その国内売上高と当該他の会社の子会社の国内売上高を公正取引委員会規則で定める方法により合計した額が五十億円を下回らない範囲内において政令で定める金額を超えるもの(以下この条において「株式発行会社」という。)の株式の取得をしようとする場合(金銭又は有価証券の信託に係る株式について、自己が、委託者若しくは受益者となり議決権を行使することができる場合又は議決権の行使について受託者に指図を行うことができる場合において、受託者に株式発行会社の株式の取得をさせようとする場合を含む。)において、当該株式取得会社が当該取得の後において所有することとなる当該株式発行会社の株式に係る議決権の数と、当該株式取得会社の属する企業結合集団に属する当該株式取得会社以外の会社等(第四項において「当該株式取得会社以外の会社等」という。)が所有する当該株式発行会社の株式に係る議決権の数とを合計した議決権の数の当該株式発行会社の総株主の議決権の数に占める割合が、百分の二十を下回らない範囲内において政令で定める数値(複数の数値を定めた場合にあつては、政令で定めるところにより、それぞれの数値)を超えることとなるときは、公正取引委員会規則で定めるところにより、あらかじめ当該株式の取得に関する計画を公正取引委員会に届け出なければならない。ただし、あらかじめ届出を行うことが困難である場合として公正取引委員会規則で定める場合は、この限りでない。

Article 10, paragraph (3)

In cases under the preceding paragraph, the voting rights from shares of the issuing company to be held by the acquiring company after the acquisition is not to include voting rights from shares held in money or securities trust (limited to when the settlor or beneficiary may exercise the voting rights or give instructions to the trustee regarding the exercise of the voting rights), voting rights from shares to be held by the share acquiring company after the acquisition if the acquiring company is engaged in banking or insurance (excluding companies engaged in insurance that are provided in the Rules of the Japan Fair Trade Commission; the same applies in the following paragraph and paragraphs (1) and (2) of the following Article) and intends to acquire shares of other companies in Japan (excluding companies engaged in banking or insurance and other companies provided in the Rules of the Japan Fair Trade Commission; the same applies in the following paragraph and paragraphs (1) and (2) of the following Article), and voting rights from shares to be held by the acquiring company after the acquisition if the acquiring company is engaged in Type I financial instruments business and intends to acquire the shares in the course of its business, but do include voting rights from shares held in money or securities trust that the acquiring company may exercise as the settlor or beneficiary or that allows the share acquiring company to give instructions regarding their exercise (excluding voting rights provided in the Rules of the Japan Fair Trade Commission; the same applies in the following paragraph), and voting rights for the shares that may not be duly asserted against the issuer pursuant to the provisions of Article 147, paragraph (1) and Article 148, paragraph (1) of the Act on Book-Entry Transfer of Corporate Bonds and Shares.

前項の場合において、当該株式取得会社が当該取得の後において所有することとなる当該株式発行会社の株式に係る議決権には、金銭又は有価証券の信託に係る株式に係る議決権(委託者又は受益者が行使し、又はその行使について受託者に指図を行うことができるものに限る。)、当該株式取得会社が銀行業又は保険業を営む会社(保険業を営む会社にあつては、公正取引委員会規則で定める会社を除く。次項並びに次条第一項及び第二項において同じ。)であり、かつ、他の国内の会社(銀行業又は保険業を営む会社その他公正取引委員会規則で定める会社を除く。次項並びに次条第一項及び第二項において同じ。)の株式の取得をしようとする場合における当該株式取得会社が当該取得の後において所有することとなる株式に係る議決権及び当該株式取得会社が第一種金融商品取引業を営む会社であり、かつ、業務として株式の取得をしようとする場合における当該株式取得会社が当該取得の後において所有することとなる株式に係る議決権を含まないものとし、金銭又は有価証券の信託に係る株式に係る議決権で、自己が、委託者若しくは受益者として行使し、又はその行使について指図を行うことができるもの(公正取引委員会規則で定める議決権を除く。次項において同じ。)及び社債、株式等の振替に関する法律第百四十七条第一項又は第百四十八条第一項の規定により発行者に対抗することができない株式に係る議決権を含むものとする。

Article 10, paragraph (4)

In the case referred to in paragraph (2), the voting rights pertaining to the shares of the share issuing company held by companies, etc. other than the share acquiring company are not to include voting rights pertaining to shares in a trust of money or securities (limited to those that the settlor or beneficiary may exercise or may give instructions to the trustee regarding their exercise), voting rights pertaining to shares of other companies in Japan held by companies, etc. other than the share acquiring company where companies, etc. other than the share acquiring company are companies engaged in banking or insurance, and voting rights pertaining to shares held in the course of business by companies, etc. other than the share acquiring company where companies, etc. other than the share acquiring company are companies engaged in type-I financial instruments business, and are to include voting rights pertaining to shares in a trust of money or securities that the relevant company, etc. itself may exercise as the settlor or beneficiary or regarding whose exercise it may give instructions, and voting rights pertaining to shares that cannot be asserted against the issuer pursuant to the provisions of Article 147, paragraph (1) or Article 148, paragraph (1) of the Act on Book-Entry Transfer of Corporate Bonds and Shares.

第二項の場合において、当該株式取得会社以外の会社等が所有する当該株式発行会社の株式に係る議決権には、金銭又は有価証券の信託に係る株式に係る議決権(委託者又は受益者が行使し、又はその行使について受託者に指図を行うことができるものに限る。)、当該株式取得会社以外の会社等が銀行業又は保険業を営む会社である場合における当該株式取得会社以外の会社等が所有する他の国内の会社の株式に係る議決権及び当該株式取得会社以外の会社等が第一種金融商品取引業を営む会社である場合における当該株式取得会社以外の会社等が業務として所有する株式に係る議決権を含まないものとし、金銭又は有価証券の信託に係る株式に係る議決権で、自己が、委託者若しくは受益者として行使し、又はその行使について指図を行うことができるもの及び社債、株式等の振替に関する法律第百四十七条第一項又は第百四十八条第一項の規定により発行者に対抗することができない株式に係る議決権を含むものとする。

Article 10, paragraph (5)

If a partner in a partnership that is a subsidiary company of a company (limited to a partnership that was established under a partnership contract as provided in Article 667, paragraph (1) of the Civil Code (Act No. 89 of 1896), an investment limited partnership as provided in Article 2, paragraph (2) of the Limited Partnership Act for Investment (Act No. 90 of 1998) (referred to simply as an "investment limited partnership" in paragraph (1), item (iv) of the following Article), a limited liability partnership as provided in Article 2 of the Limited Liability Partnership Act (Act No. 40 of 2005), or an organization similar to these that were established in accordance with the laws and regulations of a foreign country (hereinafter referred to as a "specified organization similar to a partnership" in this paragraph); the same applies hereinafter in this paragraph) (including a member of a specified organization similar to a partnership; the same applies hereinafter in this paragraph) intends to acquire shares of the issuing company as partnership property (including property of a specified organization similar to a partnership; the same applies hereinafter in this paragraph) (including if all of the partners in a partnership that is a subsidiary company of a company may be settlors or beneficiaries and may exercise voting rights or give instructions to the trustee regarding the exercise of voting rights with regard to shares held in money or securities trust, and intend to have the trustee acquire shares issued by the share issuing company), it is deemed that the parent company of the partnership (meaning, if a partnership has two or more parent companies, the parent company of the partnership that is a subsidiary company of all the other parent companies; the same applies hereinafter in this paragraph) intends to acquire all of the shares, and if the shares of the issuing company belong to the partnership property of a partnership that is a subsidiary company of a company (including when, regarding the shares held in money or securities trust that belong to the partnership property of a partnership that is a subsidiary company of a company, all the partners in the partnership may be settlors or beneficiaries and may exercise the voting rights or give instructions to the trustee regarding the exercise of the voting rights), the parent company of the relevant partnership is deemed to hold all of the shares, for the purpose of the application of the provisions of paragraph (2).

会社の子会社である組合(民法(明治二十九年法律第八十九号)第六百六十七条第一項に規定する組合契約によつて成立する組合、投資事業有限責任組合契約に関する法律(平成十年法律第九十号)第二条第二項に規定する投資事業有限責任組合(次条第一項第四号において単に「投資事業有限責任組合」という。)及び有限責任事業組合契約に関する法律(平成十七年法律第四十号)第二条に規定する有限責任事業組合並びに外国の法令に基づいて設立された団体であつてこれらの組合に類似するもの(以下この項において「特定組合類似団体」という。)に限る。以下この項において同じ。)の組合員(特定組合類似団体の構成員を含む。以下この項において同じ。)が組合財産(特定組合類似団体の財産を含む。以下この項において同じ。)として株式発行会社の株式の取得をしようとする場合(金銭又は有価証券の信託に係る株式について、会社の子会社である組合の組合員の全員が、委託者若しくは受益者となり議決権を行使することができる場合又は議決権の行使について受託者に指図を行うことができる場合において、受託者に株式発行会社の株式の取得をさせようとする場合を含む。)には、当該組合の親会社(当該組合に二以上の親会社がある場合にあつては、当該組合の親会社のうち他のすべての親会社の子会社であるものをいう。以下この項において同じ。)が、そのすべての株式の取得をしようとするものとみなし、会社の子会社である組合の組合財産に株式発行会社の株式が属する場合(会社の子会社である組合の組合財産に属する金銭又は有価証券の信託に係る株式について、当該組合の組合員の全員が、委託者若しくは受益者となり議決権を行使することができる場合又は議決権の行使について受託者に指図を行うことができる場合を含む。)には、当該組合の親会社が、そのすべての株式を所有するものとみなして、第二項の規定を適用する。

Article 10, paragraph (6)

The term "subsidiary company" as used in paragraph (2) and the preceding paragraph means a stock company for which the majority of voting rights of all shareholders are held by a company or any other company, etc. prescribed by the Rules of the Japan Fair Trade Commission as one whose management is controlled by the company.

第二項及び前項の「子会社」とは、会社がその総株主の議決権の過半数を有する株式会社その他の当該会社がその経営を支配している会社等として公正取引委員会規則で定めるものをいう。

Article 10, paragraph (7)

The term "parent company" as used in paragraphs (2) and (5) means a company prescribed by the Rules of the Japan Fair Trade Commission as one that controls the management of a company, etc.

第二項及び第五項の「親会社」とは、会社等の経営を支配している会社として公正取引委員会規則で定めるものをいう。

Article 10, paragraph (8)

No company that gave notification in accordance with the provisions of paragraph (2) must acquire the shares under the notification until the expiration of the thirty-day waiting period from the date of acceptance of the notification provided, however, that when the Japan Fair Trade Commission finds it to be necessary, it may shorten the relevant period.

第二項の規定による届出を行つた会社は、届出受理の日から三十日を経過するまでは、当該届出に係る株式の取得をしてはならない。ただし、公正取引委員会は、その必要があると認める場合には、当該期間を短縮することができる。

Article 10, paragraph (9)

If the Japan Fair Trade Commission intends to order necessary measures regarding the relevant share acquisition under a notification pursuant to the provisions of Article 17-2, paragraph (1), it must notify the share acquiring company pursuant to the provisions of Article 50, paragraph (1) before the expiration of the thirty-day waiting period provided in the main clause of the preceding paragraph, or of any shortened period pursuant to the proviso (if the Japan Fair Trade Commission requested the acquiring company to submit necessary reports, information or materials (hereinafter in this paragraph, "reports, information, and materials") pursuant to the provisions of the Rules of the Japan Fair Trade Commission during the relevant period, the period up to the date on which one hundred-twenty days from the date of acceptance of the notification stipulated in the preceding paragraph have passed, or the date on which ninety days from the date of acceptance of all the reports, information and materials have passed, whichever is later) (hereinafter referred to as a "notice period" in this Article) provided, however, that this does not apply to cases falling under any of the following items:

公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとする場合には、前項本文に規定する三十日の期間又は同項ただし書の規定により短縮された期間(公正取引委員会が株式取得会社に対してそれぞれの期間内に公正取引委員会規則で定めるところにより必要な報告、情報又は資料の提出(以下この項において「報告等」という。)を求めた場合においては、前項の届出受理の日から百二十日を経過した日と全ての報告等を受理した日から九十日を経過した日とのいずれか遅い日までの期間)(以下この条において「通知期間」という。)内に、株式取得会社に対し、第五十条第一項の規定による通知をしなければならない。ただし、次に掲げる場合は、この限りでない。

Article 10, paragraph (9), item (i)

of matters in the plan regarding the acquisition of shares under the notification, those which are considered important in light of the provisions of paragraph (1) are not carried out by the deadline stipulated in the relevant plan;

当該届出に係る株式の取得に関する計画のうち、第一項の規定に照らして重要な事項が当該計画において行われることとされている期限までに行われなかつた場合

Article 10, paragraph (9), item (ii)

there has been a false statement with respect to important matters in the plan regarding the acquisition of shares under the notification;

当該届出に係る株式の取得に関する計画のうち、重要な事項につき虚偽の記載があつた場合

Article 10, paragraph (9), item (iii)

when the notice pursuant to provisions of Article 48-2 has been made in relation to the acquisition of shares under the notification, the application for approval under the provisions of Article 48-3, paragraph (1) has not been made within the period stipulated in that paragraph;

当該届出に係る株式の取得に関し、第四十八条の二の規定による通知をした場合において、第四十八条の三第一項に規定する期間内に、同項の規定による認定の申請がなかつたとき。

Article 10, paragraph (9), item (iv)

when the notice pursuant to the provisions of Article 48-2 has been made in relation to the acquisition of shares under the notification, there has been a withdrawal of the application for approval under the provisions of Article 48-3, paragraph (1);

当該届出に係る株式の取得に関し、第四十八条の二の規定による通知をした場合において、第四十八条の三第一項の規定による認定の申請に係る取下げがあつたとき。

Article 10, paragraph (9), item (v)

when the notice pursuant to the provisions of Article 48-2 has been made in relation to the acquisition of shares under the notification, there has been a decision made under the provisions of Article 48-3, paragraph (6) on the application for approval under the provisions of Article 48-3, paragraph (1);

当該届出に係る株式の取得に関し、第四十八条の二の規定による通知をした場合において、第四十八条の三第一項の規定による認定の申請について同条第六項の規定による決定があつたとき。

Article 10, paragraph (9), item (vi)

the approval of Article 48-3, paragraph (3) (including approval of a change under the provisions of Article 48-3, paragraph (8)) has been rescinded under the provisions of Article 48-5, paragraph (1) (limited to portions for item (i)) in relation to the acquisition of shares under the notification; or

当該届出に係る株式の取得に関し、第四十八条の五第一項(第一号に係る部分に限る。)の規定による第四十八条の三第三項の認定(同条第八項の規定による変更の認定を含む。)の取消しがあつた場合

Article 10, paragraph (9), item (vii)

the approval of Article 48-3, paragraph (3) (including approval of a change under the provisions of Article 48-3, paragraph (8)) has been rescinded under the provisions of Article 48-5, paragraph (1) (limited to portions for item (ii)) in relation to the acquisition of shares under the notification.

当該届出に係る株式の取得に関し、第四十八条の五第一項(第二号に係る部分に限る。)の規定による第四十八条の三第三項の認定(同条第八項の規定による変更の認定を含む。)の取消しがあつた場合

Article 10, paragraph (10)

In cases falling under the provisions of item (i) of the preceding paragraph, the Japan Fair Trade Commission must send a notification under the main clause of the preceding paragraph within one year from the deadline in the same item if it intends to order necessary measures relating to the acquisition of shares under the notification pursuant to the provisions of Article 17-2, paragraph (1).

前項第一号の規定に該当する場合において、公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとするときは、同号の期限から起算して一年以内に前項本文の通知をしなければならない。

Article 10, paragraph (11)

In cases falling under the provisions of Article 10, paragraph (9), item (iii), when the Japan Fair Trade Commission intends to order measures that are necessary in relation to the acquisition of shares under the notification pursuant to the provisions of Article 17-2, paragraph (1), it must give the notice of the main clause of Article 10, paragraph (9) within the period that results from adding sixty days to the notice period.

第九項第三号の規定に該当する場合において、公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとするときは、通知期間に六十日を加算した期間内に、第九項本文の通知をしなければならない。

Article 10, paragraph (12)

In cases falling under the provisions of Article 10, paragraph (9), item (iv), when the Japan Fair Trade Commission intends to order measures that are necessary in relation to the acquisition of shares under the notification pursuant to the provisions of Article 17-2, paragraph (1), it must give the notice of the main clause of Article 10, paragraph (9) within the period that results from adding to the notice period a period that is equivalent to the period from the date of the notice pursuant to the provisions of Article 48-2 until the date when the withdrawal of that item was made.

第九項第四号の規定に該当する場合において、公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとするときは、通知期間に第四十八条の二の規定による通知の日から同号の取下げがあつた日までの期間に相当する期間を加算した期間内に、第九項本文の通知をしなければならない。

Article 10, paragraph (13)

In cases falling under the provisions of Article 10, paragraph (9), item (v), when the Japan Fair Trade Commission intends to order measures that are necessary in relation to the acquisition of shares under the notification pursuant to the provisions of Article 17-2, paragraph (1), it must give the notice of the main clause of Article 10, paragraph (9) within the period that results from adding ninety days to the notice period.

第九項第五号の規定に該当する場合において、公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとするときは、通知期間に九十日を加算した期間内に、第九項本文の通知をしなければならない。

Article 10, paragraph (14)

In cases falling under the provisions of Article 10, paragraph (9), item (vi), when the Japan Fair Trade Commission intends to order measures that are necessary in relation to the acquisition of shares under the notification pursuant to the provisions of Article 17-2, paragraph (1), it must give the notice of the main clause of Article 10, paragraph (9) within the one year beginning on the date of the decision pursuant to the provisions of Article 48-5, paragraph (1).

第九項第六号の規定に該当する場合において、公正取引委員会は、第十七条の二第一項の規定により当該届出に係る株式の取得に関し必要な措置を命じようとするときは、第四十八条の五第一項の規定による決定の日から起算して一年以内に第九項本文の通知をしなければならない。

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