The amount specified by Cabinet Order prescribed in Article 95, paragraph (1) (Foreign Tax Credit) of the Act is to be the sum of the amounts of income pertaining to the following foreign source income (meaning foreign source income prescribed in that paragraph; the same applies hereinafter in this Chapter) of a Resident for each year (or zero, if that sum is less than zero):
foreign source income listed in Article 95, paragraph (4), items (ii) through (xvii) of the Act (for foreign source income listed in items (ii) through (xiv), (xvi) and (xvii) of that paragraph, excluding that which falls under foreign source income listed in item (i) of that paragraph).
法第九十五条第四項第二号から第十七号までに掲げる国外源泉所得(同項第二号から第十四号まで、第十六号及び第十七号に掲げる国外源泉所得にあつては、同項第一号に掲げる国外源泉所得に該当するものを除く。)
定義第二百二十一条の二第一項・この章の中だけ
同項に規定する国外源泉所得
わかりやすく言うと
国外事業所等に帰せられる所得や、国外にある資産の運用又は保有により生ずる所得など、所得税法第九十五条第四項各号に掲げる所得のことです。