Internal Revenue Service [http://www.irs.ustreas.gov]
The Internal Revenue Service’s site offering IRS forms, instructions, publications, explanations, and up-to-date Revenue Rulings and Revenue Bulletins. Plus many, many more features.
Florida Department of Revenue [http://dor.myflorida.com/dor/]
A helpful site for both business and new residents to familiarize yourself with Florida tax requirements.
Starting a Business in Florida [http://www.sunbiz.org/startbus.html]
Continually updated links to web resources related to business start-ups.