Tax Due Dates

  • September 15 – Third quarter installment of 2015 individual estimated income tax is due.
    Tax due dates
  • September 15 – Filing deadline for 2014 tax returns for calendar-year corporations and
    S corporations that received an automatic extension of the March 16 filing deadline.
  • September 15 – Filing deadline for 2014 partnership tax returns that received an extension of
    the April 15 filing deadline.
  • October 15 – Deadline for filing 2014 individual tax returns on extension.
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