Important Dates to Remember
March 15th – Deadline for filing a partnership or S corporation return or extension.
April 15th – Deadline for filing a personal, C-corporation, or calendar year estates/trusts tax return or extension. The return or extension must be postmarked or transmitted for e-filing by the tax deadline. To avoid late payment penalties and interest, any additional taxes you owe must be paid by this date even if you filed an extension.
May 15th – Deadline for filing a tax-exempt organization return or extension.
September 15th – Final deadline to file S corporation, or partnership tax return if you filed an extension. Late penalties are $150.00 each day your return is late.
October 15th – Final deadline to file your personal or C-Corporation tax return if you filed an extension.
November 15th – Deadline for filing a tax-exempt organization return if you filed an extension.