Your agency's internal financial regulations will identify responsibility for recordkeeping. In addition, the GSA Audit Division keeps a central repository of electronic transportation billing records for legal and auditing purposes. Therefore, your agency must forward all relevant electronic transportation billing documents to: General Services AdministrationTransportation Audit Division (QMCA)Crystal Plaza 4, Room 3002200 Crystal DriveArlington, VA 22202www.gsa.gov/transaudits [65 FR 24569, Apr. 26, 2000, as amended at 69 FR 57620, Sept. 24, 2004; 74 FR 30475, June 26, 2009]