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.

  1. Enter a term in the Find box
  2. Click the Search button
寻求帮助
产品编号 标题 修订版日期
Instruction 1120-W Instructions for Form 1120-W, Estimated Tax for Corporations 2011
Instruction 1120-W Instructions for Form 1120-W, Estimated Tax for Corporations 2009
Form 1120-W (FY) Fiscal Year Corporation Estimated Tax 1992
Form 1120-X Amended U.S. Corporation Income Tax Return 2016
Form 1120-X Amended U.S. Corporation Income Tax Return 2011
Form 1120-X Amended U.S. Corporation Income Tax Return 2008
Form 1120-X Amended U.S. Corporation Income Tax Return 2004
Form 1120-X Amended U.S. Corporation Income Tax Return 2001
Form 1120-X Amended U.S. Corporation Income Tax Return 1999
Form 1120-X Amended U.S. Corporation Income Tax Return 1997
Form 1120-X Amended U.S. Corporation Income Tax Return 1995
Form 1120-X Amended U.S. Corporation Income Tax Return 1994
Form 1120-X Amended U.S. Corporation Income Tax Return 1991
Form 1120-X Amended U.S. Corporation Income Tax Return 1988
Form 1120-X Amended U.S. Corporation Income Tax Return 1987
Form 1120-X Amended U.S. Corporation Income Tax Return 1986
Form 1120-X Amended U.S. Corporation Income Tax Return 1985
Form 1120-X Amended U.S. Corporation Income Tax Return 1984
Form 1120-X Amended U.S. Corporation Income Tax Return 1982
Form 1120-X Amended U.S. Corporation Income Tax Return 1981
Form 1120-X Amended U.S. Corporation Income Tax Return 1980
Form 1120-X Amended U.S. Corporation Income Tax Return 1979
Form 1120-X Amended U.S. Corporation Income Tax Return 1978
Form 1120-X Amended U.S. Corporation Income Tax Return 1977
Form 1120-X Amended U.S. Corporation Income Tax Return 1976