American Institute of CPAs   http://www.aicpa.org

Colorado Department of Revenue  http://www.revenue.state.co.us/main/home.asp

Colorado Society of CPAs  http://www.cocpa.org  

Committee of Sponsoring Organizations of the Treadway Commission (COSO) http://www.coso.org

Financial Accounting Standards Board http://www.fasb.org 

Internal Revenue Service http://www.irs.gov

International Accounting Standards Board http://www.iasb.org/Home.htm 

U.S. Dept. of Labor - Employee Benefits Security Administration http://www.dol.gov/ebsa