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
Find Help
Product Number Title Revision Date
Form 1120 U.S. Corporation Income Tax Return 1949
Form 1120 U.S. Corporation Income Tax Return 1948
Form 1120 U.S. Corporation Income Tax Return 1947
Form 1120 U.S. Corporation Income Tax Return 1946
Form 1120 U.S. Corporation Income Tax Return 1945
Form 1120 U.S. Corporation Income Tax Return 1944
Form 1120 U.S. Corporation Income Tax Return 1943
Form 1120 U.S. Corporation Income Tax Return 1942
Form 1120 U.S. Corporation Income Tax Return 1941
Form 1120 U.S. Corporation Income Tax Return 1940
Form 1120 U.S. Corporation Income Tax Return 1939
Form 1120 U.S. Corporation Income Tax Return 1938
Form 1120 U.S. Corporation Income Tax Return 1937
Form 1120 U.S. Corporation Income Tax Return 1935
Form 1120 U.S. Corporation Income Tax Return 1934
Form 1120 U.S. Corporation Income Tax Return 1933
Form 1120 U.S. Corporation Income Tax Return 1932
Form 1120 U.S. Corporation Income Tax Return 1931
Form 1120 U.S. Corporation Income Tax Return 1930
Form 1120 U.S. Corporation Income Tax Return 1929
Form 1120 U.S. Corporation Income Tax Return 1926
Form 1120 U.S. Corporation Income Tax Return 1924
Form 1120 U.S. Corporation Income Tax Return 1923
Instruction 1120 Instructions for Form 1120, U.S. Corporation Income Tax Return 2023
Instruction 1120 Instructions for Form 1120, U.S. Corporation Income Tax Return 2022
Get Adobe Acrobat Reader