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 正在显示 1 - 15 of 15寻求帮助 发现 Prior Year » RegExReplace » Product Number Prior Year » Revision Date Prior Year » Title 显示每一页 2550100200 搜索清除 产品编号 标题 修订版日期 Publication 542 Corporations 2024 Publication 542 Corporations 2022 Publication 542 Corporations 2019 Publication 542 Corporations 2016 Publication 542 Corporations 2012 Publication 542 Corporations 2003 Publication 542 Corporations 2002 Publication 542 Corporations 2001 Publication 542 Corporations 2000 Publication 542 Corporations 1999 Publication 542 Corporations 1998 Publication 542 Corporations 1997 Publication 542 Corporations 1996 Publication 542 Corporations 1995 Publication 542 Corporations 1994