If your agency does not use prenumbered GBL and GTR forms, you may get an assigned set of numbers from: General Services AdministrationFederal Acquisition ServiceInventory Management Branch (QSDACDB-WS)819 Taylor Street, Room 6A00 Fort Worth, TX 76102 [65 FR 24569, Apr. 26, 2000, as amended at 74 FR 30476, June 26, 2009]