關於「Internal Revenue Code」標籤，搜尋引擎有相關的訊息討論：

Country codes | Internal Revenue Servicewww.irs.gov › e-file-providers › country-codesIncome Tax Act - Article Content - Laws & Regulations Database of ...law.moj.gov.tw › ENG › LawClass › LawAll › pcode=G03...Tax code, regulations and official guidance | Internal Revenue S