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Order for Enforcement of the Income Tax Act

所得税法施行令(しょとくぜいほうしこうれい)

Section 4 Calculation of Necessary Expenses, etc. (Articles 158 to 167-2)

The law as Cabinet Order Partially Amending the Order for Enforcement of the Income Tax Act (Cabinet Order No. 93 of 2026) 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.

How the changes are shown

Underlined: words the amendment adds. A bar: where it removes words.Underlined: words the amendment adds. Struck through: the words it removes.Underlined: words the amendment adds. Struck through: the words it removes.

Article 158第百五十八条

Submission of Documents Pertaining to Retirement Allowance Rules(退職給与規程に関する書類の提出)
Article 158, paragraph (1)

A Resident who seeks to newly receive the application of Article 54, paragraph (1) (Reserves for Severance Packages) of the Act must submit, to the competent district director with jurisdiction over the place for tax payment by the Filing Deadline for income tax for that year, copies of the retirement allowance rules as of December 31 of the year preceding that year (where no retirement allowance rules were established on that day, the retirement allowance rules first established thereafter) and, where the retirement allowance rules have been amended by December 31 of that year (or, if the Resident dies in the middle of the year, by the time of death), of all the retirement allowance rules after the amendment.

新たに法第五十四条第一項(退職給与引当金)の規定の適用を受けようとする居住者は、その年の前年十二月三十一日における退職給与規程(同日において退職給与規程が定められていない場合には、その後最初に定められた退職給与規程)及びその年十二月三十一日(その者が年の中途で死亡した場合には、その死亡の時)までに退職給与規程が改正された場合にはその改正後のすべての退職給与規程の写しを、その年分の所得税に係る確定申告期限までに、納税地の所轄税務署長に提出しなければならない。

Article 158, paragraph (2)

A Resident to whom Article 54, paragraph (1) of the Act has applied and who seeks to continue to have that paragraph applied thereafter must, promptly, when a change has arisen in the matters concerning the payment of severance packages in the retirement allowance rules or collective agreement, or when a new collective agreement concerning the payment of severance packages has been concluded, submit to the competent district director with jurisdiction over the place for tax payment a document stating that fact and the matters concerning the payment of severance packages in the amended retirement allowance rules or collective agreement or the matters concerning the payment of severance packages in the newly concluded collective agreement.

法第五十四条第一項の規定の適用を受けた居住者でその後引き続いて同項の規定の適用を受けようとするものは、退職給与規程若しくは労働協約のうち退職給与の支給に関する事項について異動を生じたとき、又は新たに退職給与の支給に関する労働協約を結んだときは、すみやかに、その旨及び異動後の退職給与規程若しくは労働協約のうち退職給与の支給に関する事項又は新たに結ばれた労働協約の退職給与の支給に関する事項を記載した書類を納税地の所轄税務署長に提出しなければならない。

Article 159第百五十九条

Treatment Where a Collective Agreement Has Lapsed(労働協約が失効した場合の処理)
Article 159, paragraph (1)

Where, after the effect of a collective agreement on the payment of severance packages has ceased, no new collective agreement on the payment of severance packages has been concluded, the provisions of Article 54 (Reserves for Severance Packages) of the Act and of Article 153 through the preceding Article apply for six months after the effect ceased, deeming that former collective agreement to remain in effect.

退職給与の支給に関する労働協約の効力が消滅した後新たな退職給与の支給に関する労働協約が結ばれていない場合には、その効力の消滅した後六月は、当該従前の労働協約がなお有効に存続するものとみなして、法第五十四条(退職給与引当金)及び第百五十三条から前条までの規定を適用する。

Articles 160 to 163第百六十条から第百六十三条まで

Articles 160 to 163, paragraph (1)

No English for this provision yet.

削除

Subsection 9 Deduction for Relatives Employed Only in the Business第九款 専従者控除

Article 164第百六十四条

Criteria for Determining Salary for a Relative Employed Only by a Blue-Return Filer, etc.(青色事業専従者給与の判定基準等)
Article 164, paragraph (1)

The circumstances specified by Cabinet Order prescribed in Article 57, paragraph (1) (Special Provisions on Necessary Expenses If Relatives Work Exclusively for a Resident) of the Act are the following circumstances:

法第五十七条第一項(事業に専従する親族がある場合の必要経費の特例等)に規定する政令で定める状況は、次に掲げる状況とする。

Article 164, paragraph (1), item (i)

the period during which a relative employed only by a blue-return filer prescribed in Article 57, paragraph (1) of the Act performed labor, the nature of the labor, and the extent to which it was provided;

法第五十七条第一項に規定する青色事業専従者の労務に従事した期間、労務の性質及びその提供の程度

Article 164, paragraph (1), item (ii)

the circumstances of the salaries received by other employees engaged in the business, and the circumstances of the salaries received by persons engaged in a business of the same kind as that business and of similar scale;

その事業に従事する他の使用人が支払を受ける給与の状況及びその事業と同種の事業でその規模が類似するものに従事する者が支払を受ける給与の状況

Article 164, paragraph (1), item (iii)

the type and scale of the business and the state of its profits.

その事業の種類及び規模並びにその収益の状況

Article 164, paragraph (2)

A Resident who has submitted the document prescribed in Article 57, paragraph (2) of the Act must, when changing the matters stated in that document, submit to the competent district director with jurisdiction over the place for tax payment, as provided by Ministry of Finance Order, a document stating that fact and other necessary matters.

法第五十七条第二項に規定する書類を提出した居住者は、当該書類に記載した事項を変更する場合には、財務省令で定めるところにより、その旨その他必要な事項を記載した書類を納税地の所轄税務署長に提出しなければならない。

Article 165第百六十五条

Determination of Whether a Relative Is Exclusively Engaged in a Business(親族が事業に専ら従事するかどうかの判定)
Article 165, paragraph (1)

The determination of whether a spouse or other relative who shares livelihood with a Resident prescribed in Article 57, paragraph (1) or (3) (Special Provisions on Necessary Expenses If Relatives Work Exclusively for a Resident) of the Act is exclusively engaged in the business that the Resident carries on as prescribed in those provisions is made according to whether the period of exclusive engagement in that business exceeds six months in the year; provided, however, that in the case of paragraph (1) of that Article, where the case falls under any of the following items, it suffices that the relative is exclusively engaged in that business for a period exceeding one-half of the period during which the relative is found to be able to engage in that business.

法第五十七条第一項又は第三項(事業に専従する親族がある場合の必要経費の特例等)に規定する居住者と生計を一にする配偶者その他の親族が専らその居住者の営むこれらの規定に規定する事業に従事するかどうかの判定は、当該事業に専ら従事する期間がその年を通じて六月をこえるかどうかによる。ただし、同条第一項の場合にあつては、次の各号のいずれかに該当するときは、当該事業に従事することができると認められる期間を通じてその二分の一に相当する期間をこえる期間当該事業に専ら従事すれば足りるものとする。

Article 165, paragraph (1), item (i)

that business was not carried on throughout the year because of the commencement, closure or suspension of the business or the death of the Resident in the middle of the year, the seasonal nature of the business, or other reasons;

当該事業が年の中途における開業、廃業、休業又はその居住者の死亡、当該事業が季節営業であることその他の理由によりその年中を通じて営まれなかつたこと。

Article 165, paragraph (1), item (ii)

the person engaged in that business was unable to engage in it throughout the year as a relative sharing livelihood with the Resident because of death, long-term illness, marriage or other reasonable grounds.

当該事業に従事する者の死亡、長期にわたる病気、婚姻その他相当の理由によりその年中を通じてその居住者と生計を一にする親族として当該事業に従事することができなかつたこと。

Article 165, paragraph (2)

In the case referred to in the preceding paragraph, where there is a period during which a relative prescribed in that paragraph is a person falling under any one of the following items, that period is not included in the period of exclusive engagement in the business prescribed in that paragraph.

前項の場合において、同項に規定する親族につき次の各号の一に該当する者である期間があるときは、当該期間は、同項に規定する事業に専ら従事する期間に含まれないものとする。

Article 165, paragraph (2), item (i)

a person who is a student or pupil of a school under Article 1 (Scope of Schools), Article 124 (Specialized Training Colleges) or Article 134, paragraph (1) (Miscellaneous Schools) of the School Education Act (excluding a person who attends classes at night and engages in that business mainly in the daytime, a person who attends classes in the daytime and engages in that business mainly at night, a student or pupil of a school under Article 124 or Article 134, paragraph (1) of that Act who does not attend regularly, and any other person found not to be prevented from engaging exclusively in that business);

学校教育法第一条(学校の範囲)、第百二十四条(専修学校)又は第百三十四条第一項(各種学校)の学校の学生又は生徒である者(夜間において授業を受ける者で昼間を主とする当該事業に従事するもの、昼間において授業を受ける者で夜間を主とする当該事業に従事するもの、同法第百二十四条又は同項の学校の学生又は生徒で常時修学しないものその他当該事業に専ら従事することが妨げられないと認められる者を除く。)

Article 165, paragraph (2), item (ii)

a person who has another occupation (excluding a person whose time engaged in that occupation is short and any other person found not to be prevented from engaging exclusively in that business);

他に職業を有する者(その職業に従事する時間が短い者その他当該事業に専ら従事することが妨げられないと認められる者を除く。)

Article 165, paragraph (2), item (iii)

a person whose ability to engage in a business is significantly impaired by senility or other mental or physical disability.

老衰その他心身の障害により事業に従事する能力が著しく阻害されている者

Article 166第百六十六条

Calculation of Limit of Deduction for a Relative Employed Only in the Business(事業専従者控除の限度額の計算)
Article 166, paragraph (1)

The amount of timber income prescribed in Article 57, paragraph (3), item (ii) (Special Provisions on Necessary Expenses If Relatives Work Exclusively for a Resident) of the Act is the remainder prescribed in Article 32, paragraph (3) (Amount of Timber Income) of the Act.

法第五十七条第三項第二号(事業に専従する親族がある場合の必要経費の特例等)に規定する山林所得の金額は、法第三十二条第三項(山林所得の金額)に規定する残額とする。

Article 166, paragraph (2)

For the application of the provisions of Article 57, paragraph (3), item (ii) of the Act where a Resident carries on a business that is to generate two or more of real property income, business income and timber income (limited to a business in which a relative employed only by the Resident prescribed in paragraph (3) of that Article is engaged), the amount set forth in item (ii) of that paragraph is calculated on the basis of the sum of the amount of real property income, amount of business income or amount of timber income prescribed in item (ii) of that paragraph pertaining to those businesses and the number of all those relatives employed only by the Resident engaged in those businesses.

居住者が不動産所得、事業所得又は山林所得のうち二以上の所得を生ずべき事業(法第五十七条第三項に規定する事業専従者の従事する事業に限る。)を営む場合における同項第二号の規定の適用については、当該事業に係る同号に規定する不動産所得の金額、事業所得の金額又は山林所得の金額の合計額及び当該事業に従事するすべての当該事業専従者の数を基礎として同号に掲げる金額を計算するものとする。

Article 167第百六十七条

Calculation of Amount of Salary, etc. for Relatives Employed Only in Business to Be Included in Necessary Expenses Where They Engage in Two or More Businesses(二以上の事業に従事した場合の事業専従者給与等の必要経費算入額の計算)
Article 167, paragraph (1)

Where a Resident carries on businesses that are to generate two or more of real property income, business income and timber income, and the same relative employed only by a blue-return filer or relative employed only by the Resident prescribed in Article 57, paragraph (1) or (3) (Special Provisions on Necessary Expenses If Relatives Work Exclusively for a Resident) of the Act engages in those businesses that are to generate two or more kinds of income, the amount that is included in necessary expenses under paragraph (1) of that Article in calculating the amount of real property income, amount of business income or amount of timber income pertaining to those businesses (hereinafter in this Article referred to as the "salary amount for a relative employed only by a blue-return filer") or the amount that is deemed to be necessary expenses under Article 57, paragraph (3) of the Act (hereinafter in this Article referred to as the "deduction for a relative employed only in the business") is the amount set forth in the relevant item below according to the following categories of cases:

居住者が不動産所得、事業所得又は山林所得のうち二以上の所得を生ずべき事業を営み、かつ、同一の法第五十七条第一項又は第三項(事業に専従する親族がある場合の必要経費の特例等)に規定する青色事業専従者又は事業専従者が当該二以上の所得を生ずべき事業に従事する場合における当該事業に係る不動産所得の金額、事業所得の金額又は山林所得の金額の計算上同条第一項の規定により必要経費に算入される金額(以下この条において「青色専従者給与額」という。)又は法第五十七条第三項の規定により必要経費とみなされる金額(以下この条において「事業専従者控除額」という。)は、次の各号に掲げる場合の区分に応じ当該各号に掲げる金額とする。

Article 167, paragraph (1), item (i)

where the extent to which the relative employed only by a blue-return filer or relative employed only by the Resident engaged in each of the businesses that are to generate those two or more kinds of income is clear: the amount calculated by apportioning the salary amount for a relative employed only by a blue-return filer or the deduction for a relative employed only in the business pertaining to that relative according to the extent to which the relative engaged in each business;

当該青色事業専従者又は事業専従者が当該二以上の所得を生ずべきそれぞれの事業に従事した分量が明らかである場合 当該青色事業専従者又は事業専従者に係る青色専従者給与額又は事業専従者控除額をそれぞれその事業に従事した分量に応じて配分して計算した金額

Article 167, paragraph (1), item (ii)

where the extent to which the relative employed only by a blue-return filer or relative employed only by the Resident engaged in each of the businesses that are to generate those two or more kinds of income is not clear: the amount calculated in accordance with the provisions of the preceding item, deeming that relative to have engaged equally in each business.

当該青色事業専従者又は事業専従者が当該二以上の所得を生ずべきそれぞれの事業に従事した分量が明らかでない場合 当該青色事業専従者又は事業専従者がそれぞれの事業に均等に従事したものとみなして前号の規定に準じて計算した金額

Subsection 10 Inclusion in Necessary Expenses of Contributions to Fund Specific Losses, etc.第十款 特定の損失等に充てるための負担金の必要経費算入

Article 167-2第百六十七条の二

Article 167-2, paragraph (1)

Where a Resident has, in any year, paid contributions to be applied to the funds, pertaining to the business, of a public interest corporation, etc. prescribed in Article 2, item (vi) (Definitions) of the Corporation Tax Act, or of a general incorporated association or general incorporated foundation, whose principal purpose is the business of compensating for specific losses or expenses such as losses due to fluctuations in the prices of agricultural and livestock products and the cost of relief where a fishing boat is in distress, which funds are used within a short period and have been designated by the Commissioner of the National Tax Agency as satisfying all of the following requirements, the amount expended is included in necessary expenses in calculating the amount of business income for the year that includes the day on which it was expended.

居住者が、各年において、農畜産物の価格の変動による損失、漁船が遭難した場合の救済の費用その他の特定の損失又は費用を補てんするための業務を主たる目的とする法人税法第二条第六号(定義)に規定する公益法人等又は一般社団法人若しくは一般財団法人の当該業務に係る資金のうち短期間に使用されるもので次に掲げる要件のすべてに該当するものとして国税庁長官が指定したものに充てるための負担金を支出した場合には、その支出した金額は、その支出した日の属する年分の事業所得の金額の計算上、必要経費に算入する。

Article 167-2, paragraph (1), item (i)

the amount of the contributions collected to be applied to the funds is appropriate in light of the content of the business;

当該資金に充てるために徴収される負担金の額が当該業務の内容からみて適正であること。

Article 167-2, paragraph (1), item (ii)

where the amount of the funds comes to exceed the amount necessary for the business, measures such as suspending the collection of contributions are to be taken;

当該資金の額が当該業務に必要な金額を超えることとなるときは、その負担金の徴収の停止その他必要な措置が講じられることとなつていること。

Article 167-2, paragraph (1), item (iii)

the funds are managed by an appropriate method in accordance with the purpose of the business.

当該資金が当該業務の目的に従つて適正な方法で管理されていること。

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