Note: For individual NYS filers, the MCTMT form is now incorporated as part of the personal NYS tax return. Due dates are now the same as NYS personal filing due dates for tax returns and estimated taxes.

August 15, 2018

  • Nevada commerce tax is due.

Sept. 17, 2018

  • Third quarter 2018 estimated tax payments are due.
  • C-Corporation Tax Returns on extension are due.
  • S-Corporation Tax Returns on extension are due.
  • Multi-Member LLC and Partnership Tax Returns on extension are due.

Sept. 20, 2018

  • New York State Sales Tax Returns for Quarterly Filers for June 1, 2018 – August 31, 2018 are due.

Oct. 15, 2018

  • Report of Foreign Bank and Financial Accounts (FBAR) on extension are due.
  • Personal and Single Member LLC Income tax returns on extension are due.

Dec. 20, 2018

  • New York State Sales Tax Returns for Quarterly Filers for September 1, 2018 – November 30, 2018 are due by December 20, 2017.

Please visit www.tax.gov/calendar for additional information.