2018 Corporate Tax Calendar
Weekends & Holidays:
If a due date falls on a Saturday, Sunday or holiday, the due date is automatically extended until the next business day that is not itself a legal holiday. Dates shown below are for 2018.
- 15 – Last day to pay 4th quarter estimates for the prior year unless filing return by January 31.
- 31 – Last day to provide 1099s & W-2s to those people you paid during the prior year.
- 31 – If you file your prior year’s return and pay any tax due by this date, you need not make the 4th Quarter Estimated Tax Payment (see above).</block quote>
- 28 – Last day to provide file copies of 1099s and W-2s with the government.
- 15 – K’1s – Partnerships Corporate Tax Filing Deadline. (See blog here)
- 2 – If you have not called for a tax appointment, please call us to prepare your 2017 tax return.
- 2 – Last day to withdraw funds from your IRA account if you turned age 70 1/2 in the prior year and haven’t already taken a distribution for that year. For other types of plans, please contact our office
- 2 – Electronic filing of Forms 1098, 1099, and W-2G. This due date applies only if you file electronically (not by magnetic media).
- 17 – Last day to file your prior year’s Federal individual tax return (Form 1040) or to request an extension to file.
- 17 – Last day to file the previous calendar year’s income tax return (Form 1120) and pay tax due. For an automatic 6-month extension of time, file Form 7004 and deposit what you estimate you owe in taxes.
- 17 – Last day to file your prior year’s Federal partnership return (Form 1065) and Federal fiduciary returns or request an automatic 5-month extension until September.
- 17 – Last day to make an IRA contribution for the prior year.
- 17 – Last day to make SEP or Keogh contributions unless an extension is filed.
- 17 – Last day to fund the prior year’s Coverdell Education Savings Account.
- 17 – First estimated tax installment for the year due. Form 1120-W (worksheet), is available to help you estimate your tax for the year.
- 15 – Second estimated tax installment for the year due.
- 15 – Last day for U.S. Citizens living abroad to file their individual tax return (Form 1040) or request an extension.
- 1 – Time to review your 2018 year-to-date income and expenses to ensure estimated tax payments and withholding are adequate to avoid underpayment penalties.
- 31 – Last day for employers (including self-employed individuals) to file appropriate Series 5500 Form for Employee Benefit Plans (includes Keogh Plans).
- 15 – Third estimated tax installment for the year due.
- 15 – Last day to file partnership (Form 1065) and fiduciary (Form 1041) returns with an approved extension.
- 15 – Last day to file prior year’s individual tax return (Form 1040), if you are in the United States with an approved extension.
- 1 – Time for Year-End Tax Planning
- 31 – Last day for taxpayers who began their minimum IRA distributions in a year before 2018 to make their required withdrawal for 2018.
- 31 – Last day to pay deductible expenses for the 2018 return (does not apply to IRA, SEP or Keogh contributions, all of which can be made after December 31, 2018).
- 31 – Last day to withdraw funds from a Traditional IRA Account and avoid a penalty if you turned age before 2018.
- 31 – If you are self-employed, December 31 is the last day to set up a Keogh Retirement Account if you plan to make a 2018 Contribution.
- 31 – Technically the last day of the year. However, if it falls on a non-business day such as a Saturday or Sunday, you may not be able to take the recommended actions and should consider taking the actions earlier than December 31st.
Other Tax Calendar Dates
For businesses with unique tax needs, we recommend you go to the IRS Tax Calendar on the IRS.gov website for more information.