Find IRS forms, instructions, publications, and notices for prior years back to 1864.

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Product Number Title Revision Date
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1949
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1948
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1947
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1946
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1945
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1944
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1943
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1942
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1941
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1940
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1939
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1938
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1937
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1935
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1934
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1933
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1932
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1931
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1930
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1929
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1926
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1924
Product Number Form 1120 Title U.S. Corporation Income Tax Return Revision Date 1923
Product Number Instruction 1120 Title Instructions for Form 1120, U.S. Corporation Income Tax Return Revision Date 2024
Product Number Instruction 1120 Title Instructions for Form 1120, U.S. Corporation Income Tax Return Revision Date 2023