市町村は、所得割の納税義務者が、前年中に次に掲げる寄附金を支出し、当該寄附金の額の合計額(当該合計額が前年の総所得金額、退職所得金額及び山林所得金額の合計額の百分の三十に相当する金額を超える場合には、当該百分の三十に相当する金額)が二千円を超える場合には、その超える金額の百分の六(当該納税義務者が指定都市の区域内に住所を有する場合には、百分の八)に相当する金額(当該納税義務者が前年中に特例控除対象寄附金を支出し、当該特例控除対象寄附金の額の合計額が二千円を超える場合には、当該百分の六(当該納税義務者が指定都市の区域内に住所を有する場合には、百分の八)に相当する金額に特例控除額を加算した金額。以下この項において「控除額」という。)を当該納税義務者の第三百十四条の三及び前条の規定を適用した場合の所得割の額から控除するものとする。この場合において、当該控除額が当該所得割の額を超えるときは、当該控除額は、当該所得割の額に相当する金額とする。
Where a person liable for the income levy has paid, in the previous year, the donations listed below and the total amount of those donations (or, where that total exceeds the amount equivalent to 30 percent of the total of the gross income, the amount of retirement income and the amount of timber income for the previous year, the amount equivalent to that 30 percent) exceeds 2,000 yen, a municipality is to deduct the amount equivalent to six percent (or eight percent, where that person liable for tax has a domicile within the area of a designated city) of the excess amount (or, where that person liable for tax has paid donations eligible for the special deduction in the previous year and the total amount of those donations eligible for the special deduction exceeds 2,000 yen, the amount obtained by adding the amount of special deduction to the amount equivalent to that six percent (or eight percent, where that person liable for tax has a domicile within the area of a designated city); referred to as the "amount of deduction" in this paragraph) from the amount of the income levy of that person liable for tax when Article 314-3 and the preceding Article are applied. In this case, where the amount of deduction exceeds the amount of the income levy, the amount of deduction is to be the amount equivalent to the amount of the income levy.