February 28 – Payers must file most other Forms 1099 (except certain Forms 1099-MISC due Jan. 31) with the IRS. (April 2 if filing electronically).

March 1 – Farmers and fishermen who did not make 2017 estimated tax payments must file 2017 tax returns and pay taxes in full.

March 2 – Automatic extension deadline for employers and health care providers to provide Forms 1095-B and 1095-C to individuals.

March 15

  • 2017 calendar-year S corporation income tax returns are due.
  • 2017 partnership returns are due.
  • Deadline for calendar-year corporations to elect S corporation status for 2018.

Note: Businesses are required to make federal tax deposits on dates determined by various factors that differ from business to business.

Payroll tax deposits: Employers generally must deposit Form 941 payroll taxes (income tax withheld from employees’ pay and both the employer’s and employees’ share of FICA taxes) on either a monthly or semiweekly deposit schedule. There are exceptions if you owe $100,000 or more on any day during a deposit period, if you owe $2,500 or less for the calendar quarter, or if your estimated annual liability is $1,000 or less.

  • Monthly depositors are required to deposit payroll taxes accumulated within a calendar month by the fifteenth of the following month.
  • Semiweekly depositors generally must deposit payroll taxes on Wednesdays or Fridays, depending on when wages are paid.

For more information on tax deadlines that apply to you or your business, contact our office.