Important Due Dates - 2008 and 2009
 

August
15	Tax Exempt Organizations - If you have a 3 month extension to file your income tax return for calendar year 2007, file Form 990 or complete Form 8868 for an additional 3-month extension.
20	Form DR-15 Florida Sales Tax Return for month of July 2008.

September
15	INDIVIDUALS. Make a payment of your 2008 estimated tax if you are not paying your income tax through withholding.
15	CORPORATIONS. File a 2007 calendar year income tax return (form 1120 or 1120-A) and pay any tax, interest and penalties due.
15	S CORPORATIONS. File a 2007 calendar year income tax return (form 1120S) and pay any taxes due.
15	CORPORATIONS. Deposit the third installment of estimated taxes for 2008.
22	Form DR-15 Florida Sales Tax Return for month of August 2008.

October
15	INDIVIDUALS. If you have an automatic 6-month extension to file your income tax return for 2007, file form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due.
15	PARTNERSHIPS. File a 2007 calendar year return (form 1065).
20	Form DR-15 Florida Sales Tax Return for month of September 2008.
31	Form UCT-6 Florida Unemployment return for payroll period ending September 30, 2008.
31	Form 941 Employer's Quarterly Federal tax return for payroll period ending September 30, 2008.

November
20	Form DR-15 Florida Sales Tax Return for month of October 2008.

December
15	CORPORATIONS. Deposit the fourth installment of estimated income tax for 2008.
22	Form DR-15 Florida Sales Tax Return for month of November 2008.

January 2009
15	Deposit fourth installment of estimated income tax for 2008, accompanied by Form 1040-ES.

February
2	Give employees their copies of Wage and Tax Statements Form W-2 and suppliers Form 1099 for 2008.
2	File Employer's Quarterly Federal Tax Return, Form 941, for the fourth quarter of 2008.
2	File Employer's Annual Federal Unemployment (FUTA) Tax Return, Form 940 or 940-EZ, for 2008.