Useful Resources Helpful Tax FormsForm 1040 & InstructionsForm 1040-ES (Estimated Tax)Form 1065Form W-2 & W-3Form W-4Form 1099-NECForm 4868 (Extension Request)Form 1065 (Partnerships)Form 1120 & 1120-S (Corporations)Form 1041Form 2553Form 7004Form 990 (Nonprofits)IRS Publication 509 (Tax Calendar) Helpful Florida sites:Florida Department of State Sunbiz.orgFlorida Department of RevenueFlorida Sales and Use Tax FilingOther useful links:IRS EINStarting a business IRSBusiness Structure Tax OrganizerBusiness Income and Expense Spreadsheet