Form 1040 U.S. Individual Income Tax Return
Instructions for Form 1040, U.S. Individual Income Tax Return
EIC Table and Tax Table Excerpted from 2012 Instructions for Form 1040

Form 1040-A U.S. Individual Income Tax Return
Instructions for Form 1040-A, U.S. Individual Income Tax Return

Form 1040-X Amended U.S. Individual Income Tax Return
Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return

Form 1127 Application for Extension of Time for Payment of Tax Due to Undue Hardship

Form 1127-A Application for Extension of Time for Payment of Income Tax for 2011 Due to Undue Hardship

Form 2350 Application for Extension of Time to File U.S. Income Tax Return

Form 4768 Application for Extension of Time To File a Return and/or Pay U.S. Estate (and Generation-Skipping Transfer) Taxes
Instructions for Form 4768, Application for Extension of Time To File a Return and/or Pay U.S. Estate (and Generation-Skipping Transfer) Taxes

Form 4868 (SP) Application for Automatic Extension of Time to File U.S. Individual Income Tax Return (Spanish version)

Form 5558 Application for Extension of Time to File Certain Employee Plan Returns

Form 7004 Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns
Instructions for Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns

Form 8809 Application for Extension of Time to File Information Returns

Form 8868 Application for Extension of Time To File an Exempt Organization Return

Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350

Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version)

Form 8878-A IRS e-file Electronic Funds Withdrawal Authorization for Form 7004

Form 8892 Application for Automatic Extension of Time To File Form 709 and/or Payment of Gift/Generation-Skipping Transfer Tax