Corporations (with calendar year ends)

Corporations will need to file additional forms with the Secretary of State of the state it was created in, as well as the states doing business in.

March 15

• File a previous calendar year income tax return and pay any tax due. A 6-month extension may be obtained.

April 15

• Deposit the 1st installment of estimated income tax for current year.

June 15

• Deposit the 2nd installment of estimated income tax for current year.

October 15

• Deposit the 3rd installment of estimated income tax for current year.

October 15

• Filing deadline for corporations with an extension to file income tax return for previous year.

December 15

• Deposit the 4th installment of estimated income tax for the current year.