. we have established tax reserves that we believe to be adequate in relation to the potential for additional assessments in each of the jurisdictions in which we are subject to taxation . we regularly assess the likelihood of additional tax assessments in those jurisdictions and adjust our reserves as additional information or events require . on may 1 , 2007 , the irs completed its examination of our 2003 and 2004 income tax returns and proposed a number of adjustments to our taxable income