If you discover an error after you file your tax return, you can correct it by amending your return.
Here are 10 tips from the Internal Revenue Service about amending your federal tax return:
Visit IRS.gov to get Form 1040X or call 800-TAX-FORM (800-829-3676).
Additional IRS Resources:
IRS YouTube Videos:
October 10 (Employees who work for tips)
If you received $20 or more in tips during September, report them to your employer - Details
October 13 (Everyone)
Federal Holiday (Columbus Day) - Details
October 15 (Individuals)
If you have an automatic 6-month extension to file your income tax return for 2013, file Form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due - Details
October 15 (Partnerships)
Electing large partnerships: File a 2013 calendar year return (Form 1065-B). This due date applies only if you were given an additional 6-month extension - Details