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Income Tax Act

所得税法(しょとくぜいほう)

Chapter II Tax Payment Obligation of Nonresidents (Articles 166 to 169)

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.

Subsection 2 Filing of Returns, Payment of Taxes, and Issuance of Refunds第二款 申告、納付及び還付

Article 166第百六十六条

Filing of Returns, Payment of Taxes, and Issuance of Refunds(申告、納付及び還付)
Article 166, paragraph (1)

The provisions of Part II, Chapter V and Chapter VI (Filing of Returns, Payment of Taxes, and Issuance of Refunds for Residents) apply mutatis mutandis to the filing of returns, payment of taxes, and issuance of refunds for a Nonresident's Income Taxes Imposed on Aggregate Income. In such a case, in Article 112, paragraph (2) (Process of Applying for Approval for a Reduction of Tax Prepayments), the term "transactions" is deemed to be replaced with "transactions (for a Nonresident with a permanent establishment, including those falling under internal dealings as prescribed in Article 161, paragraph (1), item (i) (Domestic Source Income))" and the phrase "that paragraph" is deemed to be replaced with "the preceding paragraph"; in Article 120, paragraph (1) (Filing an Income Tax Return), the phrase "foreign tax credit" is deemed to be replaced with "credit under Article 165-6, paragraphs (1) through (3) (Foreign Tax Credit for Nonresidents)"; in item (iii) of that paragraph, the phrase "Chapter III (Calculation of Tax Amount)" is deemed to be replaced with "Chapter III (excluding Article 93 (Credit for the Amount Equivalent to the Foreign Tax Adjusted at Distribution) and Article 95 (Foreign Tax Credit)) (Calculation of Tax Amount), and Article 165-5-3 (Credit for Amount Equivalent to Foreign Tax Adjusted at Distribution for Nonresidents) and Article 165-6"; in paragraph (8) of that Article, the phrase "business that generates timber income" is deemed to be replaced with "business that generates timber income (limited to business related to the domestic source income specified in the items of Article 164, paragraph (1) (How Nonresidents Are Taxed); hereinafter referred to as "specified business" in this paragraph)", the phrase "business that generates miscellaneous income" is deemed to be replaced with "specified business that generates miscellaneous income", the phrase "that business" is deemed to be replaced with "that specified business", and the phrase "must be attached to that return" is deemed to be replaced with "must be attached to that return, and if a Nonresident conducting business both in Japan and outside Japan files a return under that paragraph, a detailed statement of revenue and expenditures as prescribed by Ministry of Finance Order must be attached to that return"; in Article 122, paragraph (1), item (i) (Filing a Return to Receive a Refund), the phrase "foreign tax credit" is deemed to be replaced with "credit under Article 165-6, paragraphs (1) through (3) (Foreign Tax Credit for Nonresidents)"; in paragraph (2) of that Article, the phrase "Article 95, paragraph (2) or (3) (Foreign Tax Credit)" is deemed to be replaced with "Article 165-6, paragraph (2) or (3)"; in Article 123, paragraph (2), item (vi) (Filing Tax Returns Showing Losses), the phrase "Article 95 (Foreign Tax Credit)" is deemed to be replaced with "Article 165-6 (Foreign Tax Credit for Nonresidents)"; in Article 143 (Blue Returns), the term "business" is deemed to be replaced with "business (limited to business related to the domestic source income specified in the items of Article 164, paragraph (1) (How Nonresidents Are Taxed))"; in Article 144 (Application for Approval to File a Blue Return), the phrase "commences business" is deemed to be replaced with "commences business (limited to business related to the domestic source income specified in the items of Article 164, paragraph (1) (How Nonresidents Are Taxed))"; in Article 145, item (ii) (Denial of Applications for Approval to File a Blue Return), the term "transactions" is deemed to be replaced with "transactions (for a Nonresident with a permanent establishment, including those falling under internal dealings as prescribed in Article 161, paragraph (1), item (i) (Domestic Source Income); the same applies in Article 148, paragraph (1) and Article 150, paragraph (1), item (iii) (Rescission of Approval to File a Blue Return))"; and in Article 147 (When a Resident Is Deemed to Receive Approval to File a Blue Return), the term "business" is deemed to be replaced with "business (limited to business related to the domestic source income specified in the items of Article 164, paragraph (1) (How Nonresidents Are Taxed))".

前編第五章及び第六章(居住者に係る申告、納付及び還付)の規定は、非居住者の総合課税に係る所得税についての申告、納付及び還付について準用する。この場合において、第百十二条第二項(予定納税額の減額の承認の申請手続)中「取引」とあるのは「取引(恒久的施設を有する非居住者にあつては、第百六十一条第一項第一号(国内源泉所得)に規定する内部取引に該当するものを含む。)」と、「同項」とあるのは「前項」と、第百二十条第一項(確定所得申告)中「外国税額控除」とあるのは「第百六十五条の六第一項から第三項まで(非居住者に係る外国税額の控除)の規定による控除」と、同項第三号中「第三章(税額の計算)」とあるのは「第三章(第九十三条(分配時調整外国税相当額控除)及び第九十五条(外国税額控除)を除く。)(税額の計算)並びに第百六十五条の五の三(非居住者に係る分配時調整外国税相当額の控除)及び第百六十五条の六」と、同条第八項中「山林所得を生ずべき業務」とあるのは「山林所得を生ずべき業務(第百六十四条第一項各号(非居住者に対する課税の方法)に定める国内源泉所得に係るものに限る。以下この項において「特定業務」という。)」と、「雑所得を生ずべき業務」とあるのは「雑所得を生ずべき特定業務」と、「業務に」とあるのは「特定業務に」と、「ならない」とあるのは「ならないものとし、国内及び国外の双方にわたつて業務を行う非居住者が同項の規定による申告書を提出する場合には、収入及び支出に関する明細書で財務省令で定めるものを当該申告書に添付しなければならないものとする」と、第百二十二条第一項第一号(還付等を受けるための申告)中「外国税額控除」とあるのは「第百六十五条の六第一項から第三項まで(非居住者に係る外国税額の控除)の規定による控除」と、同条第二項中「第九十五条第二項又は第三項(外国税額控除)」とあるのは「第百六十五条の六第二項又は第三項」と、第百二十三条第二項第六号(確定損失申告)中「第九十五条(外国税額控除)」とあるのは「第百六十五条の六(非居住者に係る外国税額の控除)」と、第百四十三条(青色申告)中「業務」とあるのは「業務(第百六十四条第一項各号(非居住者に対する課税の方法)に定める国内源泉所得に係るものに限る。)」と、第百四十四条(青色申告の承認の申請)中「業務を開始した場合」とあるのは「業務(第百六十四条第一項各号(非居住者に対する課税の方法)に定める国内源泉所得に係るものに限る。)を開始した場合」と、第百四十五条第二号(青色申告の承認申請の却下)中「取引」とあるのは「取引(恒久的施設を有する非居住者にあつては、第百六十一条第一項第一号(国内源泉所得)に規定する内部取引に該当するものを含む。第百四十八条第一項及び第百五十条第一項第三号(青色申告の承認の取消し)において同じ。)」と、第百四十七条(青色申告の承認があつたものとみなす場合)中「業務」とあるのは「業務(第百六十四条第一項各号(非居住者に対する課税の方法)に定める国内源泉所得に係るものに限る。)」と読み替えるものとする。

Article 166-2第百六十六条の二

Documentation of Transactions Related to a Permanent Establishment(恒久的施設に係る取引に係る文書化)
Article 166-2, paragraph (1)

If a Nonresident with a permanent establishment has domestic source income set forth in Article 161, paragraph (1), item (i) (Domestic Source Income) (hereinafter referred to as "income attributable to a permanent establishment" in this Article), the Nonresident must, pursuant to Ministry of Finance Order, prepare documents giving the details of the transactions attributed to the permanent establishment and other documents prescribed by Ministry of Finance Order with regard to any transaction that the Nonresident has conducted with another person the income from which is attributed to the permanent establishment of the Nonresident in calculating Income in Each Class calculated in accordance with Article 165, paragraph (1) (Calculation of the Tax Base and Amount of Income Taxes Imposed on Aggregate Income) with regard to the Nonresident's income attributable to a permanent establishment for that year.

恒久的施設を有する非居住者は、第百六十一条第一項第一号(国内源泉所得)に掲げる国内源泉所得(以下この条において「恒久的施設帰属所得」という。)を有する場合において、当該非居住者が他の者との間で行つた取引のうち、当該非居住者のその年の恒久的施設帰属所得につき第百六十五条第一項(総合課税に係る所得税の課税標準、税額等の計算)の規定により準じて計算する各種所得の金額の計算上、当該取引から生ずる所得が当該非居住者の恒久的施設に帰せられるものについては、財務省令で定めるところにより、当該恒久的施設に帰せられる取引に係る明細を記載した書類その他の財務省令で定める書類を作成しなければならない。

Article 166-2, paragraph (2)

If a Nonresident with a permanent establishment has income attributable to a permanent establishment, and a transfer of assets, provision of services, or other fact between the Nonresident's place of business or similar place as prescribed in Article 161, paragraph (1), item (i) and the permanent establishment falls under an internal dealing as prescribed in that item, the Nonresident must, pursuant to Ministry of Finance Order, prepare documents giving the details of that fact and other documents prescribed by Ministry of Finance Order.

恒久的施設を有する非居住者は、恒久的施設帰属所得を有する場合において、当該非居住者の第百六十一条第一項第一号に規定する事業場等と恒久的施設との間の資産の移転、役務の提供その他の事実が同号に規定する内部取引に該当するときは、財務省令で定めるところにより、当該事実に係る明細を記載した書類その他の財務省令で定める書類を作成しなければならない。

Subsection 3 Special Provisions on Requests for Reassessment第三款 更正の請求の特例

Article 167第百六十七条

Special Provisions on Requests for Reassessment(更正の請求の特例)
Article 167, paragraph (1)

The provisions of Part II, Chapter VII (Special Provisions on Residents' Requests for Reassessment) apply mutatis mutandis to a request for Reassessment pursuant to the provisions of Article 23, paragraph (1) of the Act on General Rules for National Taxes (Requests for Reassessment) involving a Nonresident's income taxes imposed on aggregate income.

前編第七章(居住者に係る更正の請求の特例)の規定は、非居住者の総合課税に係る所得税についての国税通則法第二十三条第一項(更正の請求)の規定による更正の請求について準用する。

Subsection 4 Reassessments and Tax-Office Decisions第四款 更正及び決定

Article 168第百六十八条

Reassessments and Tax-Office Decisions(更正及び決定)
Article 168, paragraph (1)

The provisions of Part II, Chapter VIII (Reassessments and Determinations Involving Residents) apply mutatis mutandis to Reassessments and determinations involving a Nonresident's income taxes imposed on aggregate income.

前編第八章(居住者に係る更正及び決定)の規定は、非居住者の総合課税に係る所得税についての更正又は決定について準用する。

Article 168-2第百六十八条の二

Denial of Acts or Calculations Related to Income Attributable to a Permanent Establishment of a Nonresident(非居住者の恒久的施設帰属所得に係る行為又は計算の否認)
Article 168-2, paragraph (1)

If there is an act or calculation of a Nonresident who has domestic source income set forth in Article 164, paragraph (1), item (i), (a) (How Nonresidents Are Taxed) which, if allowed, would be found to result in an unjust reduction of the Nonresident's income tax burden due to an increase in the amount deducted in calculating Income in Each Class related to that domestic source income, an increase in the amount deducted from the income tax on the income related to that domestic source income, a decrease in the amount of profit or an increase in the amount of loss related to internal dealings as prescribed in Article 161, paragraph (1), item (i) (Domestic Source Income), or any other reason, the district director may, when making a Reassessment or determination concerning the Nonresident's income tax, calculate the amounts set forth in Article 120, paragraph (1), item (i) or items (iii) through (v) (Filing an Income Tax Return), Article 122, paragraph (1), items (i) through (iii) (Filing a Return to Receive a Refund), or Article 123, paragraph (2), item (i), item (iii), item (v), or item (vii) (Filing Tax Returns Showing Losses), as applied mutatis mutandis pursuant to Article 166 (Filing of Returns, Payment of Taxes, and Issuance of Refunds), for each year of the Nonresident, as the district director finds appropriate, notwithstanding that act or calculation.

税務署長は、第百六十四条第一項第一号イ(非居住者に対する課税の方法)に掲げる国内源泉所得を有する非居住者の行為又は計算で、これを容認した場合には、当該国内源泉所得に係る各種所得の金額の計算上控除する金額の増加、当該国内源泉所得に係る所得に対する所得税の額から控除する金額の増加、第百六十一条第一項第一号(国内源泉所得)に規定する内部取引に係る利益の額の減少又は損失の額の増加その他の事由によりその非居住者の所得税の負担を不当に減少させる結果となると認められるものがあるときは、その非居住者の所得税に関する更正又は決定に際し、その行為又は計算にかかわらず、税務署長の認めるところにより、その非居住者の各年分の第百六十六条(申告、納付及び還付)において準用する第百二十条第一項第一号若しくは第三号から第五号まで(確定所得申告)、第百二十二条第一項第一号から第三号まで(還付等を受けるための申告)又は第百二十三条第二項第一号、第三号、第五号若しくは第七号(確定損失申告)に掲げる金額を計算することができる。

Section 3 Separate Assessment of Income Taxes for Nonresidents第三節 非居住者に対する所得税の分離課税

Article 169第百六十九条

Income Tax Base for Separate Taxation(分離課税に係る所得税の課税標準)
Article 169, paragraph (1)

Income taxes are imposed on a Nonresident's domestic source income as set forth in the items of Article 164, paragraph (2) (How Nonresidents Are Taxed), separately from the Nonresident's other income, and the tax base for those income taxes is the amount constituting the domestic source income that the Nonresident is to be paid (or, for domestic source income as set forth in one of the following items, the amount prescribed in the item):

第百六十四条第二項各号(非居住者に対する課税の方法)に掲げる非居住者の当該各号に定める国内源泉所得については、他の所得と区分して所得税を課するものとし、その所得税の課税標準は、その支払を受けるべき当該国内源泉所得の金額(次の各号に掲げる国内源泉所得については、当該各号に定める金額)とする。

Article 169, paragraph (1), item (i)

interest and similar income as set forth in Article 161, paragraph (1), item (viii) (Domestic Source Income) which constitutes interest on bearer public and corporate bonds and distributions of proceeds linked to a bearer beneficiary certificate from a Loan Trust, Bond Investment Trust, or Bond-Based Investment Trust Under Public Offering: the amount that the Nonresident has been paid;

第百六十一条第一項第八号(国内源泉所得)に掲げる利子等のうち無記名の公社債の利子又は無記名の貸付信託、公社債投資信託若しくは公募公社債等運用投資信託の受益証券に係る収益の分配 その支払を受けた金額

Article 169, paragraph (1), item (ii)

dividends and similar income set forth in Article 161, paragraph (1), item (ix) which constitute dividends of surplus from bearer shares or similar interests (meaning dividends of surplus prescribed in Article 24, paragraph (1) (Dividend Income)) and distributions of proceeds based on bearer beneficiary certificates in an Investment Trust (other than a Bond Investment Trust or Bond-Based Investment Trust Under Public Offering) or Specified Trust That Issues Beneficiary Certificates: the amount that the Nonresident has been paid;

第百六十一条第一項第九号に掲げる配当等のうち無記名株式等の剰余金の配当(第二十四条第一項(配当所得)に規定する剰余金の配当をいう。)又は無記名の投資信託(公社債投資信託及び公募公社債等運用投資信託を除く。)若しくは特定受益証券発行信託の受益証券に係る収益の分配 その支払を受けた金額

Article 169, paragraph (1), item (iii)

pensions as set forth in Article 161, paragraph (1), item (xii), (b): the amount of the pension that the Nonresident is to be paid, less the amount calculated when 50,000 yen is multiplied by the number of months in which the Nonresident is to be paid the pension;

第百六十一条第一項第十二号ロに掲げる年金 その支払を受けるべき年金の額から五万円にその支払を受けるべき年金の額に係る月数を乗じて計算した金額を控除した金額

Article 169, paragraph (1), item (iv)

monetary awards as set forth in Article 161, paragraph (1), item (xiii): the amount that the Nonresident is to be paid, less 500,000 yen;

第百六十一条第一項第十三号に掲げる賞金 その支払を受けるべき金額から五十万円を控除した金額

Article 169, paragraph (1), item (v)

pensions as set forth in Article 161, paragraph (1), item (xiv): the amount that the Nonresident is to be paid based on a contract as prescribed in that item, less the part of the insurance premiums or installment deposits paid based on that contract which is calculated pursuant to Cabinet Order as being part of the amount that the Nonresident is to be paid.

第百六十一条第一項第十四号に掲げる年金 同号に規定する契約に基づいて支払を受けるべき金額から当該契約に基づいて払い込まれた保険料又は掛金の額のうちその支払を受けるべき金額に対応するものとして政令で定めるところにより計算した金額を控除した金額

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