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

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Product Number Title Revision Date
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1993
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1992
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1991
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1990
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1989
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1988
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1987
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1986
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1985
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1984
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1983
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1982
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1981
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1980
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1979
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1978
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1977
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1976
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1975
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1974
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1973
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1972
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1971
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1970
Form 1040 (Schedule C) Profit or Loss from Business (Sole Proprietorship) 1969