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Act on Special Measures Concerning Taxation

租税特別措置法(そぜいとくべつそちほう)

Section 4 Timber Income and Capital Gains (Articles 31-3 to 32)

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 31-3第三十一条の三

Special Provisions on Taxation on Long-Term Capital Gains in the Case of Transfer of Residential Property(居住用財産を譲渡した場合の長期譲渡所得の課税の特例)
Article 31-3, paragraph (1)

Where an individual transfers land, etc. or buildings, etc. that the individual owns, whose holding period prescribed in Article 31, paragraph (2) exceeds 10 years as of January 1 of the year of the transfer, and that fall under residential property (excluding a transfer made to the individual's spouse or any other person who has a special relationship with the individual specified by Cabinet Order, and a transfer that is subject to the provisions of Article 58 of the Income Tax Act or the provisions of the preceding Article, Articles 33 through 33-3, Article 35-3, Article 36-2, Article 36-5, Article 37, Article 37-4, Article 37-5 (excluding paragraph (6) of that Article), Article 37-6, or Article 37-8; hereinafter the same applies in this Article) (excluding where the individual has already received the application of the provisions of this paragraph in the year preceding that year or in the year before the preceding year), with regard to the capital gains from the transfer, notwithstanding the provisions of the first sentence of Article 31, paragraph (1), the amount of income tax imposed on the taxable long-term capital gains pertaining to the transfer pursuant to the provisions of the first sentence of that paragraph is the amount equivalent to the amount specified in the following items according to the categories of cases listed in those items:

個人が、その有する土地等又は建物等でその年一月一日において第三十一条第二項に規定する所有期間が十年を超えるもののうち居住用財産に該当するものの譲渡(当該個人の配偶者その他の当該個人と政令で定める特別の関係がある者に対してするもの及び所得税法第五十八条の規定又は前条、第三十三条から第三十三条の三まで、第三十五条の三、第三十六条の二、第三十六条の五、第三十七条、第三十七条の四、第三十七条の五(同条第六項を除く。)、第三十七条の六若しくは第三十七条の八の規定の適用を受けるものを除く。以下この条において同じ。)をした場合(当該個人がその年の前年又は前々年において既にこの項の規定の適用を受けている場合を除く。)には、当該譲渡による譲渡所得については、第三十一条第一項前段の規定により当該譲渡に係る課税長期譲渡所得金額に対し課する所得税の額は、同項前段の規定にかかわらず、次の各号に掲げる場合の区分に応じ当該各号に定める金額に相当する額とする。

Article 31-3, paragraph (1), item (i)

where the taxable long-term capital gains are 60 million yen or less: the amount equivalent to 10 percent of the taxable long-term capital gains;

課税長期譲渡所得金額が六千万円以下である場合 当該課税長期譲渡所得金額の百分の十に相当する金額

Article 31-3, paragraph (1), item (ii)

where the taxable long-term capital gains exceed 60 million yen: the total of the following amounts:

課税長期譲渡所得金額が六千万円を超える場合 次に掲げる金額の合計額

Article 31-3, paragraph (1), item (ii), (a)

6 million yen;

六百万円

Article 31-3, paragraph (1), item (ii), (b)

the amount equivalent to 15 percent of the amount remaining after deducting 60 million yen from the taxable long-term capital gains.

当該課税長期譲渡所得金額から六千万円を控除した金額の百分の十五に相当する金額

Article 31-3, paragraph (2)

The residential property prescribed in the preceding paragraph means the following houses or land, etc.:

前項に規定する居住用財産とは、次に掲げる家屋又は土地等をいう。

Article 31-3, paragraph (2), item (i)

a house that the individual uses as the individual's residence, which is specified by Cabinet Order and is located in Japan;

当該個人がその居住の用に供している家屋で政令で定めるもののうち国内にあるもの

Article 31-3, paragraph (2), item (ii)

a house listed in the preceding item that has ceased to be used as the individual's residence (limited to one transferred during the period from the date on which it ceased to be used as the individual's residence until December 31 of the year that includes the day on which three years have elapsed from that date);

前号に掲げる家屋で当該個人の居住の用に供されなくなつたもの(当該個人の居住の用に供されなくなつた日から同日以後三年を経過する日の属する年の十二月三十一日までの間に譲渡されるものに限る。)

Article 31-3, paragraph (2), item (iii)

the houses listed in the preceding two items and the land, etc. used as the sites of those houses;

前二号に掲げる家屋及び当該家屋の敷地の用に供されている土地等

Article 31-3, paragraph (2), item (iv)

where a house of the individual listed in item (i) has been lost due to a disaster, land, etc. that was used as the site of the house, whose holding period prescribed in Article 31, paragraph (2) would exceed 10 years as of January 1 of the year of the transfer if the individual had continued to own the house (limited to land, etc. transferred during the period from the date of the disaster until December 31 of the year that includes the day on which three years have elapsed from that date).

当該個人の第一号に掲げる家屋が災害により滅失した場合において、当該個人が当該家屋を引き続き所有していたとしたならば、その年一月一日において第三十一条第二項に規定する所有期間が十年を超える当該家屋の敷地の用に供されていた土地等(当該災害があつた日から同日以後三年を経過する日の属する年の十二月三十一日までの間に譲渡されるものに限る。)

Article 31-3, paragraph (3)

The provisions of paragraph (1) apply only if the tax return for the year for which the individual seeks the application of the provisions of that paragraph contains a statement to the effect that the individual seeks the application of the provisions of that paragraph, and has attached to it the documents specified by Order of the Ministry of Finance as documents certifying that the case falls under the provisions of that paragraph.

第一項の規定は、同項の規定の適用を受けようとする年分の確定申告書に、同項の規定の適用を受けようとする旨の記載があり、かつ、同項の規定に該当する旨を証する書類として財務省令で定める書類の添付がある場合に限り、適用する。

Article 31-3, paragraph (4)

Even where no tax return has been filed, or where a tax return without the statement or attachment referred to in the preceding paragraph has been filed, the district director may, when the district director finds that there were unavoidable circumstances for the failure to file the return or to include the statement or attachment, apply the provisions of paragraph (1), only if a document containing the statement and the documents specified by Order of the Ministry of Finance referred to in that paragraph are submitted.

税務署長は、確定申告書の提出がなかつた場合又は前項の記載若しくは添付がない確定申告書の提出があつた場合においても、その提出又は記載若しくは添付がなかつたことについてやむを得ない事情があると認めるときは、当該記載をした書類及び同項の財務省令で定める書類の提出があつた場合に限り、第一項の規定を適用することができる。

Article 31-4第三十一条の四

Deduction of Estimated Acquisition Cost for Long-Term Capital Gains(長期譲渡所得の概算取得費控除)
Article 31-4, paragraph (1)

Where an individual transfers land, etc. or buildings, etc. that the individual has continuously owned since on or before December 31, 1952, notwithstanding the provisions of Article 38 and Article 61 of the Income Tax Act, the acquisition cost to be deducted from the revenue in calculating the amount of long-term capital gains is the amount equivalent to 5 percent of the revenue; provided, however, that if it is proved that the amount is less than the amount listed in each of the following items, it is the amount listed in that item:

個人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土地等又は建物等を譲渡した場合における長期譲渡所得の金額の計算上収入金額から控除する取得費は、所得税法第三十八条及び第六十一条の規定にかかわらず、当該収入金額の百分の五に相当する金額とする。ただし、当該金額がそれぞれ次の各号に掲げる金額に満たないことが証明された場合には、当該各号に掲げる金額とする。

Article 31-4, paragraph (1), item (i)

the total of the amount required for the acquisition of the land, etc. and the amount of improvement expenses;

その土地等の取得に要した金額と改良費の額との合計額

Article 31-4, paragraph (1), item (ii)

the amount that would be deemed to be the acquisition cost pursuant to the provisions of Article 38, paragraph (2) of the Income Tax Act if the provisions of that paragraph were applied to the total of the amount required for the acquisition of the buildings, etc. and the amount of equipment expenses and improvement expenses.

その建物等の取得に要した金額と設備費及び改良費の額との合計額につき所得税法第三十八条第二項の規定を適用した場合に同項の規定により取得費とされる金額

Article 31-4, paragraph (2)

The provisions of Article 30, paragraph (2) apply mutatis mutandis where the provisions of the preceding paragraph are applied. In this case, the term "forested land" in the main clause of paragraph (2) of that Article is deemed to be replaced with "land, etc. or buildings, etc. prescribed in Article 31-4, paragraph (1) (hereinafter referred to in this paragraph as "land or buildings, etc.")", and the term "forested land" in the proviso to that paragraph is deemed to be replaced with "land or buildings, etc.".

第三十条第二項の規定は、前項の規定を適用する場合について準用する。この場合において、同条第二項本文中「山林」とあるのは「第三十一条の四第一項に規定する土地等又は建物等(以下この項において「土地建物等」という。)」と、同項ただし書中「山林」とあるのは「土地建物等」と読み替えるものとする。

Subsection 3 Special Provisions on Taxation on Short-Term Capital Gains第三款 短期譲渡所得の課税の特例

Article 32第三十二条

Special Provisions on Taxation on Short-Term Capital Gains(短期譲渡所得の課税の特例)
Article 32, paragraph (1)

Where an individual transfers land, etc. or buildings, etc. that the individual owns and whose holding period prescribed in Article 31, paragraph (2) is five years or less as of January 1 of the year of the transfer (including land, etc. or buildings, etc. acquired during that year that are specified by Cabinet Order), with regard to the capital gains from that transfer, notwithstanding the provisions of Article 22, Article 89, and Article 165 of the Income Tax Act, income tax is imposed, separately from other income, on the amount of capital gains pertaining to the transfer during that year (meaning the amount calculated without deducting the special capital gain deduction prescribed in Article 33, paragraph (3) of that Act, and, where there is an amount of losses arising in the calculation of the amount of long-term capital gains prescribed in Article 31, paragraph (1), notwithstanding the provisions of the second sentence of that paragraph, the amount after deducting the amount of losses up to the calculated amount; hereinafter referred to as the "amount of short-term capital gains" in this paragraph), in an amount equivalent to 30 percent of the taxable short-term capital gains (meaning the amount of short-term capital gains (where the provisions of Articles 72 through 87 of that Act as applied with the deemed replacement of terms pursuant to the provisions of Article 31, paragraph (3), item (iii) as applied mutatis mutandis pursuant to paragraph (4) apply, the amount after that application)). In this case, where there is an amount of losses arising in the calculation of the amount of short-term capital gains, with regard to the application of the provisions of that Act and other laws and regulations concerning income tax, the amount of losses is deemed not to have arisen.

個人が、その有する土地等又は建物等で、その年一月一日において第三十一条第二項に規定する所有期間が五年以下であるもの(その年中に取得をした土地等又は建物等で政令で定めるものを含む。)の譲渡をした場合には、当該譲渡による譲渡所得については、所得税法第二十二条及び第八十九条並びに第百六十五条の規定にかかわらず、他の所得と区分し、その年中の当該譲渡に係る譲渡所得の金額(同法第三十三条第三項に規定する譲渡所得の特別控除額の控除をしないで計算した金額とし、第三十一条第一項に規定する長期譲渡所得の金額の計算上生じた損失の金額があるときは、同項後段の規定にかかわらず、当該計算した金額を限度として当該損失の金額を控除した後の金額とする。以下この項において「短期譲渡所得の金額」という。)に対し、課税短期譲渡所得金額(短期譲渡所得の金額(第四項において準用する第三十一条第三項第三号の規定により読み替えられた同法第七十二条から第八十七条までの規定の適用がある場合には、その適用後の金額)をいう。)の百分の三十に相当する金額に相当する所得税を課する。この場合において、短期譲渡所得の金額の計算上生じた損失の金額があるときは、同法その他所得税に関する法令の規定の適用については、当該損失の金額は生じなかつたものとみなす。

Article 32, paragraph (2)

The provisions of the preceding paragraph apply mutatis mutandis where an individual makes a transfer of shares or capital contributions issued by a corporation whose assets consist mainly of land, etc. (excluding those shares or capital contributions that fall under the following capital contributions, investment units or beneficial rights; hereinafter referred to as "shares, etc." in this paragraph), which is specified by Cabinet Order as being similar to a transfer of land, etc. whose holding period prescribed in the preceding paragraph is five years or less as of January 1 of the year of the transfer, if the income from the transfer falls under income from a transfer of shares, etc. specified by Cabinet Order as being similar to a transfer of a business or of assets used for the business:

前項の規定は、個人が、その有する資産が主として土地等である法人の発行する株式又は出資(当該株式又は出資のうち次に掲げる出資、投資口又は受益権に該当するものを除く。以下この項において「株式等」という。)の譲渡で、その年一月一日において前項に規定する所有期間が五年以下である土地等の譲渡に類するものとして政令で定めるものをした場合において、当該譲渡による所得が、事業又はその用に供する資産の譲渡に類するものとして政令で定める株式等の譲渡による所得に該当するときについて準用する。

Article 32, paragraph (2), item (i)

preferred equity investments prescribed in Article 2, paragraph (5) of the Act on the Securitization of Assets and specified equity prescribed in paragraph (6) of that Article, of a special purpose company prescribed in paragraph (3) of that Article that falls under one listed in Article 67-14, paragraph (1), item (i), (b), 1. or 2. or one listed in (b), 3. or 4. of that item (excluding one that falls under a family company prescribed in item (ii), (d) of that paragraph);

資産の流動化に関する法律第二条第三項に規定する特定目的会社であつて第六十七条の十四第一項第一号ロ(1)若しくは(2)に掲げるもの又は同号ロ(3)若しくは(4)に掲げるもの(同項第二号ニに規定する同族会社に該当するものを除く。)に該当するものの同法第二条第五項に規定する優先出資及び同条第六項に規定する特定出資

Article 32, paragraph (2), item (ii)

investment units prescribed in Article 2, paragraph (14) of the Act on Investment Trusts and Investment Corporations, of an investment corporation prescribed in paragraph (12) of that Article that falls under one listed in Article 67-15, paragraph (1), item (i), (b), 1. or 2. (excluding one that falls under a family company prescribed in item (ii), (d) of that paragraph);

投資信託及び投資法人に関する法律第二条第十二項に規定する投資法人であつて、第六十七条の十五第一項第一号ロ(1)又は(2)に掲げるもの(同項第二号ニに規定する同族会社に該当するものを除く。)に該当するものの同法第二条第十四項に規定する投資口

Article 32, paragraph (2), item (iii)

beneficial rights of a special purpose trust that is a trust subject to corporate taxation and that meets the requirements listed in Article 68-3-2, paragraph (1), item (i), (b) (excluding one that falls under a family company prescribed in item (ii), (a) of that paragraph);

法人課税信託のうち特定目的信託であつて、第六十八条の三の二第一項第一号ロに掲げる要件に該当するもの(同項第二号イに規定する同族会社に該当するものを除く。)の受益権

Article 32, paragraph (2), item (iv)

beneficial rights of an investment trust listed in Article 2, item (xxix)-2, (d) of the Corporation Tax Act that is a trust subject to corporate taxation and that meets the requirements listed in Article 68-3-3, paragraph (1), item (i), (b) (excluding one that falls under a family company prescribed in item (ii), (a) of that paragraph).

法人課税信託のうち法人税法第二条第二十九号の二ニに掲げる投資信託であつて、第六十八条の三の三第一項第一号ロに掲げる要件に該当するもの(同項第二号イに規定する同族会社に該当するものを除く。)の受益権

Article 32, paragraph (3)

With regard to the application of the provisions of paragraph (1) to a transfer that has been certified, pursuant to the provisions of Order of the Ministry of Finance, as falling under a transfer of land, etc. listed in Article 28-4, paragraph (3), items (i) through (iii), the phrase "30 percent" in that paragraph is deemed to be replaced with "15 percent".

第二十八条の四第三項第一号から第三号までに掲げる土地等の譲渡に該当することにつき財務省令で定めるところにより証明がされたものに係る第一項の規定の適用については、同項中「百分の三十」とあるのは、「百分の十五」とする。

Article 32, paragraph (4)

The provisions of Article 31, paragraph (3) apply mutatis mutandis where the provisions of paragraph (1) or paragraph (2) apply. In this case, in paragraph (3), item (i) of that Article, the phrase "Article 31, paragraph (1) (Special Provisions on Taxation on Long-Term Capital Gains) (including where it is applied pursuant to the provisions of Article 31-2 (Special Provisions on Taxation on Long-Term Capital Gains in the Case of Transfer of Land, etc. for Development, etc. of Superior Residential Areas) or Article 31-3 (Special Provisions on Taxation on Long-Term Capital Gains in the Case of Transfer of Residential Property) of that Act; the same applies hereinafter)" is deemed to be replaced with "Article 32, paragraph (1) or paragraph (2) (Special Provisions on Taxation on Short-Term Capital Gains)", and the phrase "amount of long-term capital gains" is deemed to be replaced with "amount of short-term capital gains"; in item (ii) of that paragraph, the phrase "capital gains from the transfer prescribed in Article 31, paragraph (1) (Special Provisions on Taxation on Long-Term Capital Gains)" is deemed to be replaced with "capital gains from the transfer prescribed in Article 32, paragraph (1) (Special Provisions on Taxation on Short-Term Capital Gains) or income from the transfer prescribed in paragraph (2) of that Article", and the phrase "amount of long-term capital gains" is deemed to be replaced with "amount of short-term capital gains"; in item (iii) of that paragraph, the phrase "amount of long-term capital gains" is deemed to be replaced with "amount of short-term capital gains"; and in item (iv) of that paragraph, the phrase "Article 31, paragraph (1)" is deemed to be replaced with "Article 32, paragraph (1) or paragraph (2)", the phrase "Special Provisions on Taxation on Long-Term Capital Gains" is deemed to be replaced with "Special Provisions on Taxation on Short-Term Capital Gains", and the phrase "taxable long-term capital gains" is deemed to be replaced with "taxable short-term capital gains".

第三十一条第三項の規定は、第一項又は第二項の規定の適用がある場合について準用する。この場合において、同条第三項第一号中「第三十一条第一項(長期譲渡所得の課税の特例)(同法第三十一条の二(優良住宅地の造成等のために土地等を譲渡した場合の長期譲渡所得の課税の特例)又は第三十一条の三(居住用財産を譲渡した場合の長期譲渡所得の課税の特例)の規定により適用される場合を含む。以下同じ。)」とあるのは「第三十二条第一項又は第二項(短期譲渡所得の課税の特例)」と、「長期譲渡所得の金額」とあるのは「短期譲渡所得の金額」と、同項第二号中「第三十一条第一項(長期譲渡所得の課税の特例)に規定する譲渡による譲渡所得」とあるのは「第三十二条第一項(短期譲渡所得の課税の特例)に規定する譲渡による譲渡所得又は同条第二項に規定する譲渡による所得」と、「長期譲渡所得の金額」とあるのは「短期譲渡所得の金額」と、同項第三号中「長期譲渡所得の金額」とあるのは「短期譲渡所得の金額」と、同項第四号中「第三十一条第一項」とあるのは「第三十二条第一項又は第二項」と、「長期譲渡所得の課税の特例」とあるのは「短期譲渡所得の課税の特例」と、「課税長期譲渡所得金額」とあるのは「課税短期譲渡所得金額」と読み替えるものとする。

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