關於「Irs prior forms」標籤，搜尋引擎有相關的訊息討論：

Prior year forms and instructions | Internal Revenue Servicewww.irs.gov › forms-pubs › prior-yearPrior year forms and instructions | Internal Revenue Servicewww.irs.gov › prior-year-forms-and-instructionsGet federal tax return forms and file by mail | USAGovwww.usa.gov › Taxes