Search provisions, jump to a law or an article
This text is not in force yetIt on 1 December 2026, in 41 days
Read the text in force →所得税法
Section 3 Aggregation of Profits and Losses and Deduction for Carryover of Losses (Articles 69 to 70)
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.
When gross income, retirement income, or timber income is calculated, if real property income, business income, timber income, or capital gains are calculated to be a loss, that loss is offset against other Income in Each Class, in the order prescribed by Cabinet Order.
総所得金額、退職所得金額又は山林所得金額を計算する場合において、不動産所得の金額、事業所得の金額、山林所得の金額又は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、政令で定める順序により、これを他の各種所得の金額から控除する。
In the case referred to in the preceding paragraph, if part of the loss prescribed in that paragraph is a loss that arises when the amount of income from assets as prescribed in Article 62, paragraph (1) (Loss of Assets Not Ordinarily Necessary in Everyday Life, Due to Disaster) is calculated (hereinafter such an amount of income is referred to as "income from assets not ordinarily necessary in everyday life" in this paragraph), the part of that loss that Cabinet Order prescribes is to be offset against other income from assets not ordinarily necessary in everyday life pursuant to Cabinet Order, and any part of that loss other than what Cabinet Order prescribes as well as any amount that is not fully offset is deemed to have never existed.
前項の場合において、同項に規定する損失の金額のうちに第六十二条第一項（生活に通常必要でない資産の災害による損失）に規定する資産に係る所得の金額（以下この項において「生活に通常必要でない資産に係る所得の金額」という。）の計算上生じた損失の金額があるときは、当該損失の金額のうち政令で定めるものは政令で定めるところにより他の生活に通常必要でない資産に係る所得の金額から控除するものとし、当該政令で定めるもの以外のもの及び当該控除をしてもなお控除しきれないものは生じなかつたものとみなす。
If a Resident filing a Tax Return has had a Net Loss in any of the three years prior to the relevant year (but only one in which the Resident filed a Blue Return for the year's income taxes) (this Net Loss excludes any amount deducted in or before the previous year pursuant to the provisions of this paragraph and any amount used as the basis for calculating the amount to be refunded pursuant to the provisions of Article 142, paragraph (2) (Issuance of Refunds Based on Carryback of Net Loss)), the equivalent of the Net Loss is applied as a deduction pursuant to Cabinet Order when the amount of gross income, retirement income, or timber income for the year of the Tax Return is calculated.
確定申告書を提出する居住者のその年の前年以前三年内の各年（その年分の所得税につき青色申告書を提出している年に限る。）において生じた純損失の金額（この項の規定により前年以前において控除されたもの及び第百四十二条第二項（純損失の繰戻しによる還付）の規定により還付を受けるべき金額の計算の基礎となつたものを除く。）がある場合には、当該純損失の金額に相当する金額は、政令で定めるところにより、当該確定申告書に係る年分の総所得金額、退職所得金額又は山林所得金額の計算上控除する。
If part of the Net Loss of a Resident filing a Tax Return in any of the three years prior to the relevant year (such a Net Loss excludes any amount that is subject to the provisions of the preceding paragraph and any amount used as the basis for calculating the amount to be refunded pursuant to the provisions of Article 142, paragraph (2)) is an amount of loss incurred in any of those years which is as follows and which is as prescribed by Cabinet Order, the amount that Cabinet Order prescribes as the equivalent of the Net Loss is applied as a deduction pursuant to Cabinet Order when the amount of gross income, retirement income, or timber income for the year of the Tax Return is calculated.
確定申告書を提出する居住者のその年の前年以前三年内の各年において生じた純損失の金額（前項の規定の適用を受けるもの及び第百四十二条第二項の規定により還付を受けるべき金額の計算の基礎となつたものを除く。）のうち、当該各年において生じた次に掲げる損失の金額に係るもので政令で定めるものがあるときは、当該政令で定める純損失の金額に相当する金額は、政令で定めるところにより、当該申告書に係る年分の総所得金額、退職所得金額又は山林所得金額の計算上控除する。
the amount of any loss resulting when the amount of Fluctuating Income is calculated;
変動所得の金額の計算上生じた損失の金額
the amount of any disaster-related loss on business assets.
被災事業用資産の損失の金額
The amount of a disaster-related loss on business assets as set forth in item (ii) of the preceding paragraph means the amount of a loss of Inventory or assets as prescribed in Article 51, paragraph (1) or paragraph (3) (Inclusion of Losses on Assets in Necessary Expenses) (including the amount of any unavoidable Disaster-related expenses prescribed by Cabinet Order and other than any part of the loss covered by insurance benefits, compensation for damage, or anything similar to these) due to Disaster which does not fall under the category of an amount of loss set forth in item (i) of the preceding paragraph.
前項第二号に掲げる被災事業用資産の損失の金額とは、棚卸資産又は第五十一条第一項若しくは第三項（資産損失の必要経費算入）に規定する資産の災害による損失の金額（その災害に関連するやむを得ない支出で政令で定めるものの金額を含むものとし、保険金、損害賠償金その他これらに類するものにより補塡される部分の金額を除く。）で前項第一号に掲げる損失の金額に該当しないものをいう。
The provisions of paragraph (1) and paragraph (2) apply only if the Resident prescribed therein files a Tax Return for income taxes in the year in which the Net Loss arises and if the Resident continues to file a Tax Return thereafter.
第一項又は第二項の規定は、これらの規定に規定する居住者が純損失の金額が生じた年分の所得税につき確定申告書を提出し、かつ、それぞれその後において連続して確定申告書を提出している場合に限り、適用する。
A deduction under paragraph (1) or paragraph (2) is referred to as a deduction for carryover of net loss.
第一項及び第二項の規定による控除は、純損失の繰越控除という。