Assists the Senior Manager-Federal Tax Audits in preparing responses to Information/Document Requests (IDR's) and Notices of Proposed Adjustments (NPA's) in a timely manner. Gathers information, prepares workpapers to support positions taken in Walgreens federal tax returns. Researches tax regulations, ruling and case law in preparing responses to IDR's and NPA's. Participates in negotiations with the IRS Team Coordinator and Case Manager and other IRS audit team specialists.