For most people, September 15th marks the tax deadline to get your taxes in to IRS or face penalties. While that may be true for most americans, there are other tax deadlines for businesses you must take note of if you run a company.

For businesses, tax deadlines can vary depending on the type of business entity. Corporations, partnerships, and sole proprietorships often have different tax deadlines to file their tax returns. It is also important to note the tax deadline dates for mailing out certain information forms and paying quarterly estimated taxes.

This tax calendar has the tax deadline dates for 2017 that most taxpayers will need. Employers and persons who pay excise taxes also should use the Employer’s Tax Calendar and the Excise Tax Calendar .

Fiscal-year taxpayers.   If you file your income tax return for a fiscal year rather than the calendar year, you must change some of the dates in this calendar.

First Quarter

 The first quarter of a calendar year is made up of January, February, and March.

Second Quarter

 The second quarter of a calendar year is made up of April, May, and June.

Third Quarter

 The third quarter of a calendar year is made up of July, August, and September.

Fourth Quarter

 The fourth quarter of a calendar year is made up of October, November, and December.

Here are some of the key tax-related deadlines affecting businesses and other employers during the thurd quarter of 2017. Keep in mind that this list isn’t all-inclusive, so there may be additional deadlines that apply to you. Contact us to ensure you’re meeting all applicable deadlines and to learn more about the filing requirements.

July 31

  • Report income tax withholding and FICA taxes for second quarter 2017 (Form 941), and pay any tax due. (See exception below.)
  • File a 2016 calendar-year retirement plan report (Form 5500 or Form 5500-EZ) or request an extension.

August 10

  • Report income tax withholding and FICA taxes for second quarter 2017 (Form 941), if you deposited on time and in full all of the associated taxes due.

September 15

  • If a calendar-year C corporation, pay the third installment of 2017 estimated income taxes.
  • If a calendar-year S corporation or partnership that filed an automatic six-month extension:
  • File a 2016 income tax return (Form 1120S, Form 1065 or Form 1065-B) and pay any tax, interest and penalties due.
  • Make contributions for 2016 to certain employer-sponsored retirement plans.

What are the advantages of using a tax cal­endar?

The following are advantages of using a calendar.
  • You don’t have to figure the due dates yourself.
  • You can file or pay timely and avoid penal­ties.
  • You don’t have to adjust the due dates for Saturdays, Sundays, and legal holidays.
  • You don’t have to adjust the due dates for special banking rules if you use the Employer’s Tax Calendar or Excise Tax Calenda
Which calendar(s) should I use?
To decide which calendar(s) to use, first look at the General Tax Calendar and highlight the dates that apply to you. If you’re an employer, also use the Employer’s Tax Calendar. If you must pay ex­cise taxes, use the Excise Tax Calendar. De­pending on your situation, you may need to use more than one calendar.

Reminders

Online IRS Tax Calendar.
The IRS Tax Cal­endar for Small Businesses and Self ­Employed is available online at www.IRS.gov/taxcalendar. This calendar is also available in Spanish.

If you need a hand estimating quarterly taxes, tracking mileage and expenses and paying or collecting invoices, My Small Business Accountants can help. Click here to schedule a free, no obligation consultation, or give us a call at: (703) 534-6040

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