The lawsuit Microsoft v. Internal Revenue Service, No. 1:14-cv-01982, was filed in U.S. District Court, District of Columbia when Microsoft sued the Internal Revenue Service requesting the IRS comply with a Freedom of Information Act request. According to Microsoft the IRS "unlawfully withheld" information on a contract between law firm Quinn Emanuel Urquhart & Sullivan and the IRS. The IRS uses the services of the law firm to assess transfer pricing financial audits of Microsoft.