2Financial Executives International.FEI Survey:Sarbanes-Oxley Compliance Costs are Dropping. April 2006.
3United States Government Accountability Office.Sarbanes-Oxley act: Consideration of Key Principles Needed in Addressing Implementation for Smaller Public Companies. April 2006.
4Financial Executives Intemational.FEI Survey:Sarbanes-Oxley Compliance Costs Exceed Estimates. March 2005.
5PricewaterhouseCoopers LLP. U.S. Multinationals looking Beyond Initial Sarbanes 404 Compliance to Business Improvement July 2005.
6Levinsohn, Alan. First-Year Verdict of SOX 404: Burdensome, Costly, and Confusing. Strategic Finance, June 2005.