退職所得とは、退職手当、一時恩給その他の退職により一時に受ける給与及びこれらの性質を有する給与（以下この条において「退職手当等」という。）に係る所得をいう。
Retirement income means income arising from severance pay, a lump-sum early retirement package, other compensation received on a one-time basis due to separation from employment, and compensation of a similar nature (hereinafter referred to as "severance pay and other such compensation" in this Article).
退職所得の金額は、その年中の退職手当等の収入金額から退職所得控除額を控除した残額の二分の一に相当する金額（当該退職手当等が、短期退職手当等である場合には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とし、特定役員退職手当等である場合には当該退職手当等の収入金額から退職所得控除額を控除した残額に相当する金額とする。）とする。
Retirement income is equivalent to 50% of the amount remaining after the retirement income deduction is applied against revenue from severance pay and other such compensation in the year (or, if the severance pay and other such compensation is short-term severance pay, the amount that each of the following items prescribes for the category of case set forth in the item, and if it is specified officers' severance pay, the amount equivalent to the amount remaining after the retirement income deduction is applied against the revenue from the severance pay and other such compensation).
当該退職手当等の収入金額から退職所得控除額を控除した残額が三百万円以下である場合 当該残額の二分の一に相当する金額
if the amount remaining after the retirement income deduction is applied against the revenue from the severance pay and other such compensation is 3,000,000 yen or less: the amount equivalent to 50% of the remaining amount;
in a case other than that set forth in the preceding item: the sum total of 1,500,000 yen plus the amount remaining after the sum of 3,000,000 yen and the retirement income deduction is deducted from the revenue from the severance pay and other such compensation.
前項に規定する退職所得控除額は、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とする。
The retirement income deduction prescribed in the preceding paragraph is the amount that each of the following items prescribes for the category of case set forth in the item:
if the taxpayer has 20 or fewer years of service as prescribed by Cabinet Order (hereinafter referred to as "years of service" in this paragraph and paragraph (7)): the amount calculated as 400,000 yen times the taxpayer's years of service;
勤続年数が二十年を超える場合 八百万円と七十万円に当該勤続年数から二十年を控除した年数を乗じて計算した金額との合計額
if the taxpayer has over 20 years of service:the sum total calculated when 20 years are subtracted from the taxpayer's years of service, the difference is multiplied by 700,000 yen, and 8,000,000 yen is added to the product thereof.
第二項に規定する短期退職手当等とは、退職手当等のうち、退職手当等の支払をする者から短期勤続年数（前項第一号に規定する勤続年数のうち、次項に規定する役員等以外の者としての政令で定める勤続年数が五年以下であるものをいう。第七項において同じ。）に対応する退職手当等として支払を受けるものであつて、次項に規定する特定役員退職手当等に該当しないものをいう。
The short-term severance pay prescribed in paragraph (2) means severance pay and other such compensation that is received from the person paying the severance pay and other such compensation as severance pay and other such compensation corresponding to short-term years of service (meaning the years of service prescribed in item (i) of the preceding paragraph in which the years of service specified by Cabinet Order as a person other than an officer or similar person prescribed in the following paragraph are five years or less; the same applies in paragraph (7)), and that does not fall under the category of specified officers' severance pay prescribed in the following paragraph.
第二項に規定する特定役員退職手当等とは、退職手当等のうち、役員等（次に掲げる者をいう。）としての政令で定める勤続年数（以下この項及び第七項において「役員等勤続年数」という。）が五年以下である者が、退職手当等の支払をする者から当該役員等勤続年数に対応する退職手当等として支払を受けるものをいう。
The specified officers' severance pay prescribed in paragraph (2) means severance pay and other such compensation that a person whose years of service specified by Cabinet Order as an officer or similar person (meaning a person set forth in any of the following items) (hereinafter referred to as "years of service as an officer" in this paragraph and paragraph (7)) are five years or less receives from the person paying the severance pay and other such compensation as severance pay and other such compensation corresponding to those years of service as an officer:
法人税法第二条第十五号（定義）に規定する役員
an officer as prescribed in Article 2, item (xv) (Definitions) of the Corporation Tax Act;
国会議員及び地方公共団体の議会の議員
a member of the Diet or a member of the assembly of a local government;
国家公務員及び地方公務員
a national public employee or local public employee.
Notwithstanding the provisions of paragraph (3), if circumstances fall under one of the cases set forth in the following items, the retirement income deduction provided for in paragraph (2) is the amount prescribed in the relevant item:
その年の前年以前に他の退職手当等の支払を受けている場合で政令で定める場合 第三項の規定により計算した金額から、当該他の退職手当等につき政令で定めるところにより同項の規定に準じて計算した金額を控除した金額
a case as prescribed by Cabinet Order, in which the taxpayer has been paid other severance pay and other such compensation in or before the previous year: the amount calculated pursuant to paragraph (3), less the amount that is calculated for the other severance pay and other such compensation when the provisions of that paragraph are applied pursuant to Cabinet Order;
a case in which the amount calculated pursuant to the provisions of paragraph (3) and the preceding item is less than 800,000 yen (other than in a case falling under the following item): 800,000 yen;
a case as prescribed by Cabinet Order in which the taxpayer is found to have left employment as a direct result of becoming a Person with a Disability: the amount calculated pursuant to the provisions of paragraph (3) and item (i) (or 800,000 yen, if the amount so calculated is less than 800,000 yen), plus 1,000,000 yen.
その年中に一般退職手当等（退職手当等のうち、短期退職手当等（第四項に規定する短期退職手当等をいう。以下この項において同じ。）及び特定役員退職手当等（第五項に規定する特定役員退職手当等をいう。以下この項において同じ。）のいずれにも該当しないものをいう。以下この項において同じ。）、短期退職手当等又は特定役員退職手当等のうち二以上の退職手当等があり、当該一般退職手当等に係る勤続年数、当該短期退職手当等に係る短期勤続年数又は当該特定役員退職手当等に係る役員等勤続年数に重複している期間がある場合の退職所得の金額の計算については、政令で定める。
If a taxpayer has, in the year, two or more kinds of severance pay and other such compensation from among general severance pay or other such compensation (meaning severance pay and other such compensation that falls under neither short-term severance pay (meaning the short-term severance pay prescribed in paragraph (4); hereinafter the same applies in this paragraph) nor specified officers' severance pay (meaning the specified officers' severance pay prescribed in paragraph (5); hereinafter the same applies in this paragraph); hereinafter the same applies in this paragraph), short-term severance pay, and specified officers' severance pay, and there is an overlapping period in the years of service for the general severance pay or other such compensation, the short-term years of service for the short-term severance pay, or the years of service as an officer for the specified officers' severance pay, Cabinet Order provides for the calculation of the retirement income.