Each date shown is the prescribed due date for filing the return or making the tax payment indicated. If any date falls on a Saturday, Sunday, or legal holiday, the return or payment is due on the next business day.
| Jan. 15 | Final installment of prior year estimated tax (Form 1040-ES) unless income tax return (Form 1040) filed with entire balance due with return by January 31. |
| Jan. 31 | Individuals who owed, but did not pay, estimated tax on January 15 must file prior year income tax return to avoid an underpayment penalty. Forms W-2 and 1099 should be received by this date. |
| Apr. 15 | Due date for income tax returns of individuals for the previous calendar year (Form 1040). Due date for gift tax returns for the previous calendar year (Form 709). Due date for individuals to file application for automatic six-month extension to file prior year income tax return and/or gift tax returns (Form 4868). Last day to make Traditional or Roth IRA contributions for prior year. Payment of first installment of current year estimated income taxes (Form 1040-ES). Last day for calendar-year sole-proprietorships to make prior year contributions to employees’ pension, profit-sharing or other retirement plans. (However, an extension of time to file tax return extends period of time in which to make contributions until the extended due date of the return). Last date for an individual to file an amended return for the third prior year, if the initial return was timely filed (Form 1040-X). Last day for calendar-year sole-proprietorships to establish a SEP (Simplified Employee Pension) for the prior year. However, an extension of time to file the tax return extends the period of time to establish and make contributions to a SEP until the extended due date of the return. |
| Jun. 15 | Payment of second installment of current year estimated tax by calendar-year individuals (Form 1040-ES). |
| Jul. 31 | Original due date for retirement plans of sole-proprietorships to file annual return/report of employee benefit plan for the prior calendar year (Form 5500 series). Due date for retirement plans that use a calendar year to request a nonautomatic extension (Form 5558). |
| Sept. 15 | Payment of third installment of current year estimated tax (Form 1040-ES). |
| Oct. 15 | Last day for filing prior year income tax return that previously received extension. Last day for filing prior year gift tax return that previously received extension. Extended due date to file Form 5500 for retirement plan of a sole proprietorship when an extension has been obtained using Form 5558. |