. the company files income tax returns in the u.s . federal jurisdiction , and various states and foreign jurisdictions . with few exceptions , the company is no longer subject to u.s . federal , state and local , or non-u.s . income tax examinations by tax authorities for years before 2004 . the irs completed its field examination of the company 2019s u.s . federal income tax returns for the years 2005 through 2007 in the fourth quarter of 2009