Tax Guide Online - http://www.taxguideonline.com/clicpa

Internal Revenue Service - www.irs.gov

American Institute of Certified Public Accountants - www.aicpa.org

California Franchise Tax Board - www.ftb.ca.gov

Texas Franchise Tax - www.winow.state.tx.us/taxinfo/franchise

Software Advice for Accounting - www.softwareadvice.com/accounting