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Income Tax Act

所得税法(しょとくぜいほう)

Section 2 Calculating Income in Each Class (Articles 60-4 to 67)

The law as Act Partially Amending the Income Tax Act, etc. (Act No. 12 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.

Article 60-4第六十条の四

Special Provisions on Capital Gains upon Application of Foreign Exit Tax Provisions(外国転出時課税の規定の適用を受けた場合の譲渡所得等の特例)
Article 60-4, paragraph (1)

If a Resident makes a transfer as prescribed in Article 60-2, paragraph (4) (Special Provisions on Capital Gains upon Departure from Japan) of Securities and similar interests to which foreign exit tax provisions have applied, for the calculation of business income, capital gains, or miscellaneous income, the amount that was included in revenue in calculating the amount of income from the transfer, on the assumption that the Securities and similar interests had been transferred, in calculating the amount of foreign income tax (meaning foreign income tax prescribed in Article 95, paragraph (1) (Foreign Tax Credit); the same applies in the following paragraph and paragraph (3)) imposed under those foreign exit tax provisions is the amount required for the acquisition of the Securities and similar interests.

居住者が外国転出時課税の規定の適用を受けた有価証券等の第六十条の二第四項(国外転出をする場合の譲渡所得等の特例)に規定する譲渡をした場合における事業所得の金額、譲渡所得の金額又は雑所得の金額の計算については、その外国転出時課税の規定により課される外国所得税(第九十五条第一項(外国税額控除)に規定する外国所得税をいう。次項及び第三項において同じ。)の額の計算において当該有価証券等の譲渡をしたものとみなして当該譲渡に係る所得の金額の計算上収入金額に算入することとされた金額をもつて、当該有価証券等の取得に要した金額とする。

Article 60-4, paragraph (2)

If a Resident settles unsettled margin transactions or similar transactions or unsettled derivatives transactions to which foreign exit tax provisions have applied, for the calculation of business income or miscellaneous income, the amount equivalent to the amount of profit calculated, on the assumption that the unsettled margin transactions or similar transactions or unsettled derivatives transactions had been settled, in calculating the amount of foreign income tax imposed under those foreign exit tax provisions is subtracted from the amount of profit or loss arising from the settlement (hereinafter referred to as the "gain or loss on settlement" in this paragraph), or the amount equivalent to the amount of loss calculated, on the assumption that the settlement had been made, in calculating the amount of that foreign income tax is added to the gain or loss on settlement.

居住者が外国転出時課税の規定の適用を受けた未決済信用取引等又は未決済デリバティブ取引の決済をした場合における事業所得の金額又は雑所得の金額の計算については、当該決済によつて生じた利益の額若しくは損失の額(以下この項において「決済損益額」という。)からその外国転出時課税の規定により課される外国所得税の額の計算において当該未決済信用取引等若しくは未決済デリバティブ取引の決済をしたものとみなして算出された利益の額に相当する金額を減算し、又は当該決済損益額に当該外国所得税の額の計算において当該決済をしたものとみなして算出された損失の額に相当する金額を加算する。

Article 60-4, paragraph (3)

The foreign exit tax provisions referred to in the preceding two paragraphs means the provisions of the laws and regulations of a foreign country, in the case where, if an event in that foreign country equivalent to a departure from Japan prescribed in Article 60-2, paragraph (1) or any other event prescribed by Cabinet Order occurs, foreign income tax is to be imposed pursuant to the provisions of the laws and regulations of that foreign country that are equivalent to the provisions of paragraph (1) through paragraph (3) of that Article, on the assumption that the Securities and similar interests held, or the unsettled margin transactions or similar transactions or unsettled derivatives transactions to whose contracts the person is a party, have been transferred or settled.

前二項に規定する外国転出時課税の規定とは、外国における第六十条の二第一項に規定する国外転出に相当する事由その他政令で定める事由が生じた場合に同項から同条第三項までの規定に相当する当該外国の法令の規定によりその有している有価証券等又は契約を締結している未決済信用取引等若しくは未決済デリバティブ取引の譲渡又は決済があつたものとみなして外国所得税を課することとされている場合における当該外国の法令の規定をいう。

Article 60-4, paragraph (4)

Cabinet Order provides for the necessary particulars concerning the application of the provisions of paragraphs (1) and (2).

第一項及び第二項の規定の適用に関し必要な事項は、政令で定める。

Article 61第六十一条

Acquisition Costs of Assets Acquired Prior to December 31, 1952(昭和二十七年十二月三十一日以前に取得した資産の取得費等)
Article 61, paragraph (1)

If forested land generating timber income has been under continuous ownership since at least December 31, 1952, the necessary expenses deducted to calculate the timber income from that forested land comprise the sum total of the amount calculated pursuant to Cabinet Order as the value of the forested land as of January 1, 1953, and the monies spent on maintenance expenses, felling expenses, and any other expenses required to cultivate and transfer the forested land on and after January 1, 1953.

山林所得の基因となる山林が昭和二十七年十二月三十一日以前から引き続き所有していた山林である場合には、その山林に係る山林所得の金額の計算上控除する必要経費は、その山林の昭和二十八年一月一日における価額として政令で定めるところにより計算した金額とその山林につき同日以後に支出した管理費、伐採費その他その山林の育成又は譲渡に要した費用の額との合計額とする。

Article 61, paragraph (2)

If an asset generating capital gains (other than assets as prescribed in the following paragraph and paragraph (4)) has been under continuous ownership since at least December 31, 1952, the acquisition costs deducted to calculate the amount of capital gains from that asset comprise the sum total of the amount calculated pursuant to Cabinet Order as the value of the asset as of January 1, 1953 (or the sum total of the amount needed to acquire the asset and the amount of monies expended on equipment expenses and improvement expenses prior to January 1, 1953, if there is proof that the value of the asset as of that day is less than this), plus the amount of monies expended on equipment expenses and improvement expenses for the asset on and after January 1, 1953.

譲渡所得の基因となる資産(次項及び第四項に規定する資産を除く。)が昭和二十七年十二月三十一日以前から引き続き所有していた資産である場合には、その資産に係る譲渡所得の金額の計算上控除する取得費は、その資産の昭和二十八年一月一日における価額として政令で定めるところにより計算した金額(当該金額がその資産の取得に要した金額と同日前に支出した設備費及び改良費の額との合計額に満たないことが証明された場合には、当該合計額)とその資産につき同日以後に支出した設備費及び改良費の額との合計額とする。

Article 61, paragraph (3)

If an asset generating capital gains has been under continuous ownership since at least December 31, 1952, and falls under the provisions of Article 38, paragraph (2) (Acquisition Costs of Assets That Depreciate Due to Use or with the Passage of Time), the acquisition costs deducted to calculate the capital gains from that asset comprise the amount arrived at when the sum total of the amounts set forth in the items of Article 38, paragraph (2), as calculated when the asset is deemed to have been acquired for the amount calculated pursuant to Cabinet Order as the value of the asset as of January 1, 1953, is deducted from the sum total of the amount calculated pursuant to Cabinet Order as the value of the asset as of January 1, 1953 (or the value of the asset as of that day, calculated pursuant to Cabinet Order based on the sum total of the amount needed to acquire the asset and the amount of monies expended on equipment expenses and improvement expenses prior to January 1, 1953, if there is proof that the value of the asset as of that day is less than this) plus the amount of monies expended on equipment expenses and improvement expenses for the asset on and after January 1, 1953.

譲渡所得の基因となる資産が昭和二十七年十二月三十一日以前から引き続き所有していた資産で、第三十八条第二項(使用又は期間の経過により減価する資産の取得費)の規定に該当するものである場合には、その資産に係る譲渡所得の金額の計算上控除する取得費は、その資産の昭和二十八年一月一日における価額として政令で定めるところにより計算した金額(当該金額がその資産の取得に要した金額と同日前に支出した設備費及び改良費の額との合計額を基礎として政令で定めるところにより計算した同日におけるその資産の価額に満たないことが証明された場合には、当該価額)とその資産につき同日以後に支出した設備費及び改良費の額との合計額から、その資産を同日において当該計算した金額をもつて取得したものとみなした場合に計算される同項各号に掲げる金額の合計額を控除した金額とする。

Article 61, paragraph (4)

If, in the calculation of capital gains from Securities, the amount needed to acquire a Security that was acquired on or before December 31, 1952, is a part of the amount used as the basis for calculating Security acquisition costs which are deducted to calculate capital gains, the amount calculated pursuant to Cabinet Order as the value of a Security so acquired as of January 1, 1953 (or the amount needed to acquire the Security, if there is proof that the value of the Security as of that day is less than this) is used as the amount needed to acquire the Security.

有価証券につき譲渡所得の金額を計算する場合において、譲渡所得の金額の計算上控除する有価証券の取得費の計算の基礎となる金額のうちに昭和二十七年十二月三十一日以前に取得した有価証券の取得に要した金額が含まれているときは、その取得した有価証券の昭和二十八年一月一日における価額として政令で定めるところにより計算した金額(当該金額がその有価証券の取得に要した金額に満たないことが証明された場合には、その取得に要した金額)をもつて、その取得した有価証券の取得に要した金額とする。

Article 62第六十二条

Loss of Assets Not Ordinarily Necessary in Everyday Life, Due to Disaster(生活に通常必要でない資産の災害による損失)
Article 62, paragraph (1)

The amount of a loss that a Resident incurs in respect of anything prescribed by Cabinet Order as an asset that is not ordinarily necessary in everyday life, due to Disaster, robbery, or misappropriation (other than any part of the loss covered by insurance benefits, compensation for damage, or anything similar to these) is deemed to be the amount that, pursuant to Cabinet Order, is to be deducted to calculate capital gains in the year in which the day that the person incurs the loss falls or in the following year.

居住者が、災害又は盗難若しくは横領により、生活に通常必要でない資産として政令で定めるものについて受けた損失の金額(保険金、損害賠償金その他これらに類するものにより補てんされる部分の金額を除く。)は、政令で定めるところにより、その者のその損失を受けた日の属する年分又はその翌年分の譲渡所得の金額の計算上控除すべき金額とみなす。

Article 62, paragraph (2)

Cabinet Order provides for the necessary particulars concerning the calculation of the amount of a loss as prescribed in the preceding paragraph.

前項に規定する損失の金額の計算に関し必要な事項は、政令で定める。

Subsection 6 Special Provisions on Calculation of Income In the Event of a Business Closure第六款 事業を廃止した場合等の所得計算の特例

Article 63第六十三条

Special Provisions on Necessary Expenses In the Event of a Business Closure(事業を廃止した場合の必要経費の特例)
Article 63, paragraph (1)

If a Resident closes a business that is meant to generate real property income, business income, or timber income and there proves to be an amount of expenses or losses in connection with the business which it would have been necessary to include in the necessary expenses that would have been used to calculate the Resident's real property income, business income, or timber income in or after the current year if the Resident had not closed the business, that amount is included in the necessary expenses that are used to calculate the Resident's real property income, business income, or timber income for the year in which the day that the person closes the business falls (or for the most recent year in which there were gross revenues constituting one of these types of income, if there was none for the year in which that day falls) or for the prior year.

居住者が不動産所得、事業所得又は山林所得を生ずべき事業を廃止した後において、当該事業に係る費用又は損失で当該事業を廃止しなかつたとしたならばその者のその年分以後の各年分の不動産所得の金額、事業所得の金額又は山林所得の金額の計算上必要経費に算入されるべき金額が生じた場合には、当該金額は、政令で定めるところにより、その者のその廃止した日の属する年分(同日の属する年においてこれらの所得に係る総収入金額がなかつた場合には、当該総収入金額があつた最近の年分)又はその前年分の不動産所得の金額、事業所得の金額又は山林所得の金額の計算上、必要経費に算入する。

Article 64第六十四条

Special Provisions on Calculation of Income If Payment for Transferred Assets Becomes Uncollectible(資産の譲渡代金が回収不能となつた場合等の所得計算の特例)
Article 64, paragraph (1)

If all or some of the revenue or gross revenue (other than revenue arising from business that is meant to generate real property income or timber income; hereinafter the same applies in this paragraph) used as the basis for calculating the Income in Each Class (other than business income; hereinafter the same applies in this paragraph) for the year proves to be uncollectible or if all or some of such revenue or gross revenue must be returned due to circumstances as provided by Cabinet Order, the part of the Income in Each Class corresponding to the amount that proves to be uncollectible or corresponding to the amount that must be returned is deemed not to have been included in the calculation of the Income in Each Class, pursuant to Cabinet Order.

その年分の各種所得の金額(事業所得の金額を除く。以下この項において同じ。)の計算の基礎となる収入金額若しくは総収入金額(不動産所得又は山林所得を生ずべき事業から生じたものを除く。以下この項において同じ。)の全部若しくは一部を回収することができないこととなつた場合又は政令で定める事由により当該収入金額若しくは総収入金額の全部若しくは一部を返還すべきこととなつた場合には、政令で定めるところにより、当該各種所得の金額の合計額のうち、その回収することができないこととなつた金額又は返還すべきこととなつた金額に対応する部分の金額は、当該各種所得の金額の計算上、なかつたものとみなす。

Article 64, paragraph (2)

If an asset (other than one falling under the provisions of Article 33, paragraph (2), item (i) (Income Not Included as Capital Gains)) is transferred (or if an action provided for by Cabinet Order which is referred to in paragraph (1) of that Article is undertaken) in performance of an obligation guaranteed by the transferor and it comes to pass that the whole or a part of the right to reimbursement for performance of that obligation cannot be exercised, the amount in respect of which the right to reimbursement cannot be exercised (excluding an amount included in the necessary expenses that are used to calculate real property income, business income, or timber income) is deemed to be the amount that proves to be uncollectible as prescribed in the preceding paragraph, and the provisions of that paragraph apply.

保証債務を履行するため資産(第三十三条第二項第一号(譲渡所得に含まれない所得)の規定に該当するものを除く。)の譲渡(同条第一項に規定する政令で定める行為を含む。)があつた場合において、その履行に伴う求償権の全部又は一部を行使することができないこととなつたときは、その行使することができないこととなつた金額(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必要経費に算入される金額を除く。)を前項に規定する回収することができないこととなつた金額とみなして、同項の規定を適用する。

Article 64, paragraph (3)

The provisions of the preceding paragraph apply only if the Tax Return, Amended Return, or written request for Reassessment contains a statement to the effect that the provisions of that paragraph are to be applied, and a document stating the type of the asset transferred as referred to in that paragraph and other particulars specified by Ministry of Finance Order is attached to it.

前項の規定は、確定申告書、修正申告書又は更正請求書に同項の規定の適用を受ける旨の記載があり、かつ、同項の譲渡をした資産の種類その他財務省令で定める事項を記載した書類の添付がある場合に限り、適用する。

Subsection 7 Special Provisions on the Period to Which Revenue and Expenses Are Attributed第七款 収入及び費用の帰属の時期の特例

Article 65第六十五条

Article 65, paragraph (1)

No English for this provision yet.

削除

Article 66第六十六条

Periods to Which Revenue and Expenses Associated with Contracts for Construction Work Are Attributed(工事の請負に係る収入及び費用の帰属時期)
Article 66, paragraph (1)

If a Resident is contracted for long-term, large-scale construction work (meaning construction work (this includes manufacturing and software development; hereinafter the same applies in this Article) with a period of at least one year between the start date of construction and the due date for delivering the object stipulated in the contract for the construction work, which falls under the category of large-scale construction work that Cabinet Order prescribes and which meets any other requirements that Cabinet Order prescribes; hereinafter the same applies in this Article), the parts of the revenue and expenses associated with the contract for the long-term, large-scale construction work which are calculated based on the construction progress criteria that Cabinet Order prescribes as the amounts of revenue and expenses for the year in question are included in the gross revenue and necessary expenses that are used to calculate business income in each year from the year in which the start date falls until the year in which the due date falls.

居住者が、長期大規模工事(工事(製造及びソフトウエアの開発を含む。以下この条において同じ。)のうち、その着手の日から当該工事に係る契約において定められている目的物の引渡しの期日までの期間が一年以上であること、政令で定める大規模な工事であることその他政令で定める要件に該当するものをいう。以下この条において同じ。)の請負をしたときは、その着手の日の属する年からその目的物の引渡しの日の属する年の前年までの各年分の事業所得の金額の計算上、その長期大規模工事の請負に係る収入金額及び費用の額のうち、当該各年分の収入金額及び費用の額として政令で定める工事進行基準の方法により計算した金額を、総収入金額及び必要経費に算入する。

Article 66, paragraph (2)

If a Resident is contracted for construction work (but only if the object will not be delivered during the year in which the construction start date falls (hereinafter referred to as the "year construction starts" in this paragraph); this excludes construction work falling under the category of long-term, large-scale construction work; hereinafter the same applies in this Article) and accounts for the amounts of revenue and expenses from the contract for construction work based on the construction progress criteria that Cabinet Order prescribes, in each year from the year construction starts up to the year before the one in which the due date for delivering the object falls, the amounts of revenue and expenses so accounted for are included in the gross revenue and necessary expenses that are used to calculate business income for the relevant years; provided, however, that this does not apply as regards the calculation of business income beginning in any year after one in which the Resident fails to account for the amounts of revenue and expenses from the contract for construction work based on the construction progress criteria in any year after the year construction starts.

居住者が、工事(その着手の日の属する年(以下この項において「着工の年」という。)中にその目的物の引渡しが行われないものに限るものとし、長期大規模工事に該当するものを除く。以下この条において同じ。)の請負をした場合において、その工事の請負に係る収入金額及び費用の額につき、着工の年からその工事の目的物の引渡しの日の属する年の前年までの各年において政令で定める工事進行基準の方法により経理したときは、その経理した収入金額及び費用の額は、当該各年分の事業所得の金額の計算上、総収入金額及び必要経費に算入する。ただし、その工事の請負に係る収入金額及び費用の額につき、着工の年の翌年以後のいずれかの年において当該工事進行基準の方法により経理しなかつた場合には、その経理しなかつた年の翌年分以後の年分の事業所得の金額の計算については、この限りでない。

Article 66, paragraph (3)

Cabinet Order establishes special provisions on the handling of the amounts of revenue and expenses from a contracts for long-term, large-scale construction work and contracts for construction work in the event that a Resident subject to the provisions of paragraph (1) or the preceding paragraph dies, and provides for other necessary particulars concerning the application of the provisions of the preceding two paragraphs in such a case.

第一項又は前項の規定の適用を受ける居住者が死亡した場合における長期大規模工事又は工事の請負に係る収入金額及び費用の額の処理の特例その他前二項の規定の適用に関し必要な事項は、政令で定める。

Article 67第六十七条

Periods to Which Revenue and Expenses of Small Enterprises and Similar Businesses Are Attributed(小規模事業者等の収入及び費用の帰属時期)
Article 67, paragraph (1)

An amount that is to be included in the gross revenue and necessary expenses that are used to calculate real property income or business income (other than from the felling of trees in forested land or the transfer of forested land) in the relevant year for a Resident who has been approved by the district director to file a Blue Return, who conducts business that is meant to generate real property income or business income, and who meets the requirements prescribed by Cabinet Order as a small enterprise may be treated as an amount earned from or spent in connection with business in the year, pursuant to Cabinet Order.

青色申告書を提出することにつき税務署長の承認を受けている居住者で不動産所得又は事業所得を生ずべき業務を行うもののうち小規模事業者として政令で定める要件に該当するもののその年分の不動産所得の金額又は事業所得の金額(山林の伐採又は譲渡に係るものを除く。)の計算上総収入金額及び必要経費に算入すべき金額は、政令で定めるところにより、その業務につきその年において収入した金額及び支出した費用の額とすることができる。

Article 67, paragraph (2)

An amount that is to be included in the gross revenue and necessary expenses that are used to calculate miscellaneous income from business that is meant to generate miscellaneous income (other than from the felling of trees in forested land or the transfer of forested land) in the relevant year for a Resident who conducts business that is meant to generate miscellaneous income and who meets the requirements prescribed by Cabinet Order as a person conducting small-scale business may be treated as an amount earned from or spent in connection with business in the year, pursuant to Cabinet Order.

雑所得を生ずべき業務を行う居住者のうち小規模な業務を行う者として政令で定める要件に該当するもののその年分の当該雑所得を生ずべき業務に係る雑所得の金額(山林の伐採又は譲渡に係るものを除く。)の計算上総収入金額及び必要経費に算入すべき金額は、政令で定めるところにより、その業務につきその年において収入した金額及び支出した費用の額とすることができる。

Article 67, paragraph (3)

Cabinet Order provides for the procedures for receiving the application of the provisions of the preceding two paragraphs and other necessary particulars concerning the application of the provisions of the preceding two paragraphs.

前二項の規定の適用を受けるための手続その他前二項の規定の適用に関し必要な事項は、政令で定める。

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