Find IRS forms, instructions, publications, and notices for prior years back to 1864. If a PDF file won't open, try downloading the file to your device and opening it using Adobe Acrobat. View more information about Using IRS Forms, Instructions, Publications and Other Item Files. Click on a column heading to sort the list by the contents of that column. Enter a term in the Find box Click the Search button 顯示 1 - 9 of 9尋求幫助 尋找 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 每頁顯示 2550100200 搜尋清除 產品編號 標題 修訂日期 Publication 974 Premium Tax Credit (PTC) 2023 Publication 974 Premium Tax Credit (PTC) 2022 Publication 974 Premium Tax Credit (PTC) 2021 Publication 974 Premium Tax Credit (PTC) 2020 Publication 974 Premium Tax Credit (PTC) 2019 Publication 974 Premium Tax Credit (PTC) 2018 Publication 974 Premium Tax Credit (PTC) 2017 Publication 974 Premium Tax Credit (PTC) 2016 Publication 974 Premium Tax Credit (PTC) 2015