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Income Tax Act

所得税法(しょとくぜいほう)

Chapter V Filing of Returns, Payment, and Refunds (Articles 104 to 112)

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.

Chapter V Filing of Returns, Payment, and Refunds第五章 申告、納付及び還付

Section 1 Tax Prepayments第一節 予定納税

Subsection 1 Tax Prepayments第一款 予定納税

Article 104第百四条

Making Tax Prepayments(予定納税額の納付)
Article 104, paragraph (1)

If the amount arrived at when the amount set forth in item (ii) is deducted from the amount set forth in item (i) (hereinafter referred to as the "tax prepayment calculation base" in this Chapter) is 150,000 yen or more, a Resident (other than one required to make payments under Article 107, paragraph (1) (Tax Prepayments by Special Farming Income Earners)) must pay income taxes to the national government in an amount equivalent to one-third of the tax prepayment calculation base, once during the first term (meaning the period from July 1 to July 31 of that year; hereinafter the same applies in this Chapter) and once during the second term (meaning the period from November 1 to November 30 of that year):

居住者(第百七条第一項(特別農業所得者の予定納税額の納付)の規定による納付をすべき者を除く。)は、第一号に掲げる金額から第二号に掲げる金額を控除した金額(以下この章において「予定納税基準額」という。)が十五万円以上である場合には、第一期(その年七月一日から同月三十一日までの期間をいう。以下この章において同じ。)及び第二期(その年十一月一日から同月三十日までの期間をいう。以下この章において同じ。)において、それぞれその予定納税基準額の三分の一に相当する金額の所得税を国に納付しなければならない。

Article 104, paragraph (1), item (i)

the amount of income taxes imposed on the previous year's taxable gross income (or the amount calculated pursuant to Cabinet Order when any capital gains, occasional income, miscellaneous income, or Ad Hoc Income not falling under the category of miscellaneous income, which formed a part of the Income in Each Class that was used as the basis for calculating taxable gross income, are deemed not to exist; or the amount calculated when Article 2 (Reduction of or Exemption from Income Taxes) of the Act on Exemption, Reduction, or Suspension of Tax Collection for Disaster Victims (Act No. 175 of 1947) which was applied to income taxes for that year, is deemed not to have been applied);

前年分の課税総所得金額に係る所得税の額(当該課税総所得金額の計算の基礎となつた各種所得の金額のうちに譲渡所得の金額、一時所得の金額、雑所得の金額又は雑所得に該当しない臨時所得の金額がある場合には、政令で定めるところにより、これらの金額がなかつたものとみなして計算した額とし、同年分の所得税について災害被害者に対する租税の減免、徴収猶予等に関する法律(昭和二十二年法律第百七十五号)第二条(所得税の軽減又は免除)の規定の適用があつた場合には、同条の規定の適用がなかつたものとして計算した額とする。)

Article 104, paragraph (1), item (ii)

the amount of income taxes that were or should have been Withheld from Each Class of Income that was used as the basis for calculating the previous year's taxable gross income (or the amount arrived at when the amount of income taxes that were or should have been Withheld are subtracted from any occasional income, miscellaneous income, or Ad Hoc Income not falling under the category of miscellaneous income, which formed a part of Each Class of Income).

前年分の課税総所得金額の計算の基礎となつた各種所得につき源泉徴収をされた又はされるべきであつた所得税の額(当該各種所得のうちに一時所得、雑所得又は雑所得に該当しない臨時所得がある場合には、これらの所得につき源泉徴収をされた又はされるべきであつた所得税の額を控除した額)

Article 104, paragraph (2)

If, due to an extension of the deadline for payment under the provisions of Article 11 (Extension of Deadlines Due to Disasters or Other Reasons) of the Act on General Rules for National Taxes (referred to as an "extension of the deadline" in this paragraph), the payment deadline for a Tax Prepayment that a Resident prescribed in the preceding paragraph must pay in the first period or the second period pursuant to that paragraph falls after December 31 of that year, the Tax Prepayment related to that extension of the deadline is deemed not to exist.

国税通則法第十一条(災害等による期限の延長)の規定による納付に関する期限の延長(以下この項において「期限延長」という。)により、前項に規定する居住者が同項の規定により第一期又は第二期において納付すべき予定納税額の納期限がその年十二月三十一日後となる場合は、当該期限延長に係る予定納税額は、ないものとする。

Article 104, paragraph (3)

In a case as referred to in paragraph (1), the amount equivalent to one-third of the tax prepayment calculation base which is prescribed in that paragraph is rounded down to the nearest hundred yen.

第一項の場合において、同項に規定する予定納税基準額の三分の一に相当する金額に百円未満の端数があるときは、その端数を切り捨てる。

Article 105第百五条

Base Date for Calculating the Tax Prepayment Calculation Base(予定納税基準額の計算の基準日等)
Article 105, paragraph (1)

If paragraph (1) of the preceding Article applies, the calculation of the tax prepayment calculation base is based on what has been established as of May 15 of the relevant year, and the determination as to whether a person falls under the category of a Resident is based on the person's circumstances as of June 30 of the relevant year; provided, however, that if the amount calculated based on what has been established as of any date between May 16 and July 31 of the relevant year turns out to be less than the amount calculated pursuant to the provisions of the main clause, the calculation of the tax prepayment calculation base is based on what has been established as of that date (or as of the day on which the amount so calculated is the smallest, if there are two or more such dates).

前条第一項の規定を適用する場合において、予定納税基準額の計算については、その年五月十五日において確定しているところによるものとし、居住者であるかどうかの判定は、その年六月三十日の現況によるものとする。ただし、予定納税基準額の計算は、その年五月十六日から七月三十一日までの間におけるいずれかの日において確定したところにより計算した金額が本文の規定により計算した金額を下ることとなつた場合は、その日(その日が二以上ある場合には、その計算した金額が最も小さいこととなる日)において確定したところによるものとする。

Article 106第百六条

Notifying the Taxpayer of Tax Prepayments(予定納税額等の通知)
Article 106, paragraph (1)

The district director calculates the tax prepayment calculation base for a Resident that is required to make payments under Article 104, paragraph (1) (Making Tax Prepayments) based on the Resident's circumstances as of May 15 of the relevant year, and notifies the Resident via a paper-based notice by June 15 of that year (or, if as of that date the payment deadline for the Tax Prepayment that the Resident must pay in the first period has been extended or is expected to be extended pursuant to Article 11 (Extension of Deadlines Due to Disasters or Other Reasons) of the Act on General Rules for National Taxes, by the day one month before July 31 of that year (or, if that payment deadline has been extended pursuant to that Article, one month before that extended payment deadline)) of the tax prepayment calculation base and the Tax Prepayments that the Resident must make during the first period and the second period.

税務署長は、第百四条第一項(予定納税額の納付)の規定による納付をすべき居住者についてその年五月十五日の現況によりその予定納税基準額を計算し、その年六月十五日(同日において当該居住者が第一期において納付すべき予定納税額の納期限が国税通則法第十一条(災害等による期限の延長)の規定により延長され、又は延長される見込みである場合には、その年七月三十一日(同条の規定により当該納期限が延長された場合には、その延長された当該納期限)の一月前の日)までに、その者に対し、その予定納税基準額並びに第一期及び第二期において納付すべき予定納税額を書面により通知する。

Article 106, paragraph (2)

If it comes to be necessary for the tax prepayment calculation base referred to in the preceding paragraph to be calculated pursuant to the proviso to the preceding Article, the district tax office director must notify the Resident referred to in that paragraph of this via a paper-based notice.

税務署長は、前項の予定納税基準額が前条ただし書の規定により計算されるべきこととなつた場合には、同項の居住者に対し、書面によりその旨を通知する。

Article 106, paragraph (3)

Notice under the preceding two paragraphs is issued by the district director that has received a Tax Return for the previous year's income taxes from a Resident that is required to make payments under Article 104, paragraph (1), or by the district director that has made a determination on the income taxes (or by the district director prescribed by Cabinet Order, if the locality in which the Resident pays the income taxes changes subsequently).

前二項の規定による通知は、第百四条第一項の規定による納付をすべき居住者からその者の前年分の所得税につき確定申告書の提出を受け、又は当該所得税につき決定をした税務署長(その後当該所得税の納税地に異動があつた場合には、政令で定める税務署長)が行う。

Article 106, paragraph (4)

The district director prescribed in the preceding paragraph is not required to give notice under paragraphs (1) and (2), notwithstanding those provisions, if the provisions of Article 104, paragraph (2) apply to the Tax Prepayment that the Resident referred to in paragraph (1) must pay in the first period pursuant to paragraph (1) of that Article.

前項に規定する税務署長は、第一項の居住者が第百四条第一項の規定により第一期において納付すべき予定納税額について同条第二項の規定の適用がある場合には、第一項及び第二項の規定にかかわらず、これらの規定による通知を要しない。

Subsection 2 Special Provisions on Estimated Tax Payable for Special Farming Income Earners第二款 特別農業所得者の予定納税の特例

Article 107第百七条

Tax Prepayments by Special Farming Income Earners(特別農業所得者の予定納税額の納付)
Article 107, paragraph (1)

If the tax prepayment calculation base is 150,000 yen or more, a Resident as follows must pay income taxes to the national government in the second term in an amount equivalent to half of the tax prepayment calculation base:

次に掲げる居住者は、予定納税基準額が十五万円以上である場合には、第二期において、その予定納税基準額の二分の一に相当する金額の所得税を国に納付しなければならない。

Article 107, paragraph (1), item (i)

a Resident that was a Special Farming Income Earner in the previous year;

前年において特別農業所得者であつた居住者

Article 107, paragraph (1), item (ii)

a Resident that has had the expectation of becoming a Special Farming Income Earner during the relevant year acknowledged by the district tax office director pursuant to the provisions of Article 110 (Application for Acknowledgment as a Special Farming Income Earner).

第百十条(特別農業所得者の申請)の規定により、その年において特別農業所得者であると見込まれることについて税務署長の承認を受けた居住者

Article 107, paragraph (2)

If, due to an extension of the deadline for payment under the provisions of Article 11 (Extension of Deadlines Due to Disasters or Other Reasons) of the Act on General Rules for National Taxes (referred to as an "extension of the deadline" in this paragraph), the payment deadline for a Tax Prepayment that a Resident prescribed in the preceding paragraph must pay in the second period pursuant to that paragraph falls after December 31 of that year, the Tax Prepayment related to that extension of the deadline is deemed not to exist.

国税通則法第十一条(災害等による期限の延長)の規定による納付に関する期限の延長(以下この項において「期限延長」という。)により、前項に規定する居住者が同項の規定により第二期において納付すべき予定納税額の納期限がその年十二月三十一日後となる場合は、当該期限延長に係る予定納税額は、ないものとする。

Article 107, paragraph (3)

In a case as referred to in paragraph (1), the amount equivalent to one-half of the tax prepayment calculation base prescribed in that paragraph is rounded down to the nearest hundred yen.

第一項の場合において、同項に規定する予定納税基準額の二分の一に相当する金額に百円未満の端数があるときは、その端数を切り捨てる。

Article 108第百八条

Base Date for Calculating the Tax Prepayment Calculation Base for Special Farming Income Earners(特別農業所得者に係る予定納税基準額の計算の基準日等)
Article 108, paragraph (1)

In a case to which paragraph (1) of the preceding Article applies, the determination as to whether a person falls under the category of a Special Farming Income Earner is based on what has been established as of May 1 of the relevant year; the calculation of the tax prepayment calculation base is based on what has been established as of September 15 of the relevant year; and the determination as to whether the person falls under the category of a Resident is based on the person's circumstances as of October 31 of a given year; provided, however, that if the amount calculated based on what has been established as of any date between September 16 and November 30 of a given year proves to be less than the amount calculated pursuant to the provisions of the main clause, the calculation of the tax prepayment calculation base is based on what has been established as of that date (or as of the day on which the amount so calculated is the smallest, if there are two or more such dates).

前条第一項の規定を適用する場合において、前年において特別農業所得者であつたかどうかの判定又は予定納税基準額の計算については、それぞれその年五月一日又はその年九月十五日において確定しているところによるものとし、居住者であるかどうかの判定は、その年十月三十一日の現況によるものとする。ただし、予定納税基準額の計算は、その年九月十六日から十一月三十日までの間におけるいずれかの日において確定したところにより計算した金額が本文の規定により計算した金額を下ることとなつた場合は、その日(その日が二以上ある場合には、その計算した金額が最も小さいこととなる日)において確定したところによるものとする。

Article 109第百九条

Notifying Special Farming Income Earners of Tax Prepayments(特別農業所得者に対する予定納税額等の通知)
Article 109, paragraph (1)

The district director calculates the tax prepayment calculation base for a Resident that is required to make a payment under Article 107, paragraph (1) (Paying Tax Prepayments by Special Farming Income Earners) based on the Resident's circumstances as of September 15 of the relevant year, and notifies the Resident via a paper-based notice by October 15 of that year (or, if as of that date the payment deadline for the Tax Prepayment that the Resident must pay in the second period has been extended or is expected to be extended pursuant to Article 11 (Extension of Deadlines Due to Disasters or Other Reasons) of the Act on General Rules for National Taxes, by the day one month before November 30 of that year (or, if that payment deadline has been extended pursuant to that Article, one month before that extended payment deadline)) of the tax prepayment calculation base and the Tax Prepayment that the Resident must make during the second period.

税務署長は、第百七条第一項(特別農業所得者の予定納税額の納付)の規定による納付をすべき居住者についてその年九月十五日の現況によりその予定納税基準額を計算し、その年十月十五日(同日において当該居住者が第二期において納付すべき予定納税額の納期限が国税通則法第十一条(災害等による期限の延長)の規定により延長され、又は延長される見込みである場合には、その年十一月三十日(同条の規定により当該納期限が延長された場合には、その延長された当該納期限)の一月前の日)までに、その者に対し、その予定納税基準額及び第二期において納付すべき予定納税額を書面により通知する。

Article 109, paragraph (2)

If it comes to be necessary for the tax prepayment calculation base referred to in the preceding paragraph to be calculated pursuant to the proviso to the preceding Article, the district tax office director must notify the Resident referred to in that paragraph of this via a paper-based notice.

税務署長は、前項の予定納税基準額が前条ただし書の規定により計算されるべきこととなつた場合には、同項の居住者に対し、書面によりその旨を通知する。

Article 109, paragraph (3)

Notice under the provisions of the preceding two paragraphs is issued by the district director that has received a Tax Return for the previous year's income taxes from a Resident that is required to make a payment under Article 107, paragraph (1), or by the district director that has made a determination on the income taxes (or by the district director prescribed by Cabinet Order, if the locality in which the Resident pays the income taxes changes subsequently).

前二項の規定による通知は、第百七条第一項の規定による納付をすべき居住者からその者の前年分の所得税につき確定申告書の提出を受け、又は当該所得税につき決定をした税務署長(その後当該所得税の納税地に異動があつた場合には、政令で定める税務署長)が行う。

Article 109, paragraph (4)

The district director prescribed in the preceding paragraph is not required to give notice under paragraphs (1) and (2), notwithstanding those provisions, if the provisions of Article 107, paragraph (2) apply to the Tax Prepayment that the Resident referred to in paragraph (1) must pay in the second period pursuant to paragraph (1) of that Article.

前項に規定する税務署長は、第一項の居住者が第百七条第一項の規定により第二期において納付すべき予定納税額について同条第二項の規定の適用がある場合には、第一項及び第二項の規定にかかわらず、これらの規定による通知を要しない。

Article 110第百十条

Application for Acknowledgment as a Special Farming Income Earner(特別農業所得者の申請)
Article 110, paragraph (1)

A Resident that was not a Special Farming Income Earner in the previous year but that is expected to become a Special Farming Income Earner in the current year based on the status thereof as of May 1 of the current year may seek to have the competent district tax office director for the locality in which the Resident pays taxes acknowledge that expectation.

前年において特別農業所得者でなかつた居住者は、その年五月一日の現況において、その年において特別農業所得者であると見込まれる場合には、その見込みについて、納税地の所轄税務署長の承認を求めることができる。

Article 110, paragraph (2)

A Resident seeking the acknowledgment referred to in the preceding paragraph must submit a paper-based application giving the grounds for expecting that the Resident will be a Special Farming Income Earner in that year and giving the information prescribed by Ministry of Finance Order, to the competent district tax office director for the locality in which the Resident pays taxes, by May 15 of the relevant year.

前項の承認を求めようとする居住者は、その年五月十五日までに、その年において特別農業所得者であると見込まれる事由その他財務省令で定める事項を記載した申請書を納税地の所轄税務署長に提出しなければならない。

Article 110, paragraph (3)

Following the submission of a paper-based application as referred to in the preceding paragraph, the district tax office director must notify the applicant via a paper-based notice upon approval or denial of the application. This being the case, the district tax office director must give additional information as to the reason when notifying the applicant of a denial.

税務署長は、前項の申請書の提出があつた場合において、承認又は却下の処分をするときは、その申請者に対し、書面によりその旨を通知する。この場合において、却下の処分の通知をするときは、その理由を附記しなければならない。

Article 110, paragraph (4)

If the provisions of paragraph (1) apply, the determination as to whether a person was or was not a Special Farming Income Earner in the previous year is based on what has been established as of May 1 of the relevant year.

第一項の規定を適用する場合において、前年において特別農業所得者でなかつたかどうかの判定は、その年五月一日において確定しているところによるものとする。

Subsection 3 Reduction of Tax Prepayments第三款 予定納税額の減額

Article 111第百十一条

Applying for Approval for a Reduction of Tax Prepayments(予定納税額の減額の承認の申請)
Article 111, paragraph (1)

If the estimated tax due on filing that is based on a Resident's circumstances as of June 30 of a given year is expected to be less than the tax prepayment calculation base, a Resident that is required to make payments under the provisions of Article 104, paragraph (1) (Paying Tax Prepayments) may apply to the competent district tax office director for the locality in which the Resident pays taxes for approval for a reduction of the Tax Prepayments that the Resident is required to pay during the first term and the second term, by July 15 of that year.

第百四条第一項(予定納税額の納付)の規定による納付をすべき居住者は、その年六月三十日の現況による申告納税見積額が予定納税基準額に満たないと見込まれる場合には、その年七月十五日までに、納税地の所轄税務署長に対し、第一期及び第二期において納付すべき予定納税額の減額に係る承認を申請することができる。

Article 111, paragraph (2)

If the estimated tax due on filing based on a Resident's circumstances as of October 31 of a given year is expected to be less than the amount set forth in one of the following items, the Resident set forth in that item may apply to the competent district tax office director for the locality in which the Resident pays taxes for approval for a reduction of the Tax Prepayment that the Resident is required to pay during the second term, by November 15 of that year:

次の各号に掲げる居住者は、その年十月三十一日の現況による申告納税見積額が当該各号に掲げる金額に満たないと見込まれる場合には、その年十一月十五日までに、納税地の所轄税務署長に対し、第二期において納付すべき予定納税額の減額に係る承認を申請することができる。

Article 111, paragraph (2), item (i)

a Resident that is required to make payments under Article 104, paragraph (1):the tax prepayment calculation base (or the estimated tax due on filing subject to the approval referred to in that paragraph, if the Resident has received it);

第百四条第一項の規定による納付をすべき居住者 予定納税基準額(前項の承認を受けた居住者については、その承認に係る申告納税見積額)

Article 111, paragraph (2), item (ii)

a Resident that is required to make a payment under the provisions of Article 107, paragraph (1) (Tax Prepayments by Special Farming Income Earners):the tax prepayment calculation base.

第百七条第一項(特別農業所得者の予定納税額の納付)の規定による納付をすべき居住者 予定納税基準額

Article 111, paragraph (3)

If a paper-based notice from the district tax office director as under Article 106, paragraph (1) (Notifying the Taxpayer of Tax Prepayments) is not issued by June 15 of a given year or if a paper-based notice from the district tax office director as under Article 109, paragraph (1) (Notifying Special Farming Income Earners of Tax Prepayments) is not issued by October 15 of a given year, the deadline for filing an application as referred to in the preceding two paragraphs is to be extended to the day calculated as marking one month's time since the date of issuance of the paper-based notice.

第百六条第一項(予定納税額等の通知)又は第百九条第一項(特別農業所得者に対する予定納税額等の通知)の規定による税務署長の通知に係る書面がそれぞれその年六月十五日まで又は十月十五日までに発せられなかつた場合には、前二項の申請の期限は、その通知に係る書面が発せられた日から起算して一月を経過した日まで延期されるものとする。

Article 111, paragraph (4)

The estimated tax due on filing as prescribed in paragraph (1) and paragraph (2) means the amount calculated pursuant to Cabinet Order as the amount arrived at when the estimated amount of income taxes that will be Withheld for Each Class of Income that has been used as the basis for estimating the year's taxable gross income is deducted from the amount of income taxes calculated when Chapter III (Calculating the Amount of Taxes) is applied to an estimate of the year's taxable gross income and taxable timber income.

第一項又は第二項に規定する申告納税見積額とは、その年分の課税総所得金額及び課税山林所得金額の見積額につき第三章(税額の計算)の規定に準じて計算した所得税の額から、当該課税総所得金額の見積額の計算の基礎となつた各種所得につき源泉徴収をされる所得税の額の見積額を控除した金額として政令で定めるところにより計算した金額をいう。

Article 112第百十二条

Process of Applying for Approval for a Reduction of Tax Prepayments(予定納税額の減額の承認の申請手続)
Article 112, paragraph (1)

A Resident seeking to file an application as under paragraph (1) or paragraph (2) of the preceding Article must submit a paper-based application to the competent district tax office director for the locality in which the Resident pays taxes, indicating the estimated tax due on filing prescribed in those provisions, indicating the reason for the application, and giving the information prescribed by Ministry of Finance Order.

前条第一項又は第二項の規定による申請をしようとする居住者は、これらの規定に規定する申告納税見積額、その申請の理由その他財務省令で定める事項を記載した申請書を納税地の所轄税務署長に提出しなければならない。

Article 112, paragraph (2)

The paper-based application referred to in the preceding paragraph must be accompanied by documents giving the facts used as the basis for calculating the estimated tax due on filing referred to in that paragraph, based on transaction records and other such sources.

前項の申請書には、取引の記録等に基づいて同項の申告納税見積額の計算の基礎となる事実を記載した書類を添附しなければならない。

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