Pay your estimated tax for 2013 using Form 1040-ES. You have until April 15 to file your 2013 income tax return (Form 1040). If you do not pay your estimated tax by January 15, you must file your 2013 return and pay any tax due by March 3, 2014, to avoid an estimated tax penalty.
File your 2013 income tax return (Form 1040) and pay any tax due. However, you have until April 15 to file if you paid your 2013 estimated tax by January 15, 2014.
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