Mar 15

• Corporate Income Tax Return Form 1120 and 1120S (Form 7004 extends filing deadline until September 15).

Apr 01

• FL Tangible Tax Return Form DR405 (required for all types of businesses) .
• FL C Corporation Tax Return Form F-1120 (Form F-7004 extends filing deadline until Oct 1); No FL corporate return is required for S corps with no federal income tax.

Apr 15

• Partnerships & LLCs Taxed as Partnerships Form 1065 (Form 7004 extends filing deadline until October 15)
• Individual Tax Return Form 1040 (Form 4868 extends filing deadline until Oct 15)
• 1^st Estimated individual income tax payment Form 1040-ES
• 1^st Estimated corporate tax payment Form 8109

May 01

• FL Partnership (LLC) Income Tax Return Form F-1065 (only required if there are corporate partners or members)

Jun 15

• 2^nd Estimated individual income tax payment Form 1040-ES
• 2^nd Estimated corporate tax payment Form 8109

Sep 15

• 3^rd Estimated individual income tax payment Form 1040-ES
• 3^rd Estimated corporate tax payment Form 8109

Dec 15

• 4th Estimated corporate tax payment Form 8109

Jan 15

• 4^th Estimated individual income tax payment Form 1040-ES