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Forms & instructions - Internal Revenue Service
Forms, instructions and publications | Internal Revenue Service
Tax forms and publications | Internal Revenue Service
Get federal tax return forms and file by mail - USAGov
Forms and publications by U.S. Mail | Internal Revenue Service
About Form 1040, U.S. Individual Income Tax Return
IRS tax forms - Tools | Internal Revenue Service
Federal tax forms - USAGov
Helping people understand and meet their tax responsibilities