41 CFR § 102-118.195
What documents must a transportation service provider (TSP) send to receive payment for a transportation billing?
June 9, 2020
For shipments bought on a TD, the TSP must submit an original properly certified GBL, PPGBL, or bill of lading attached to an SF 1113, Public Voucher for Transportation Charges. The TSP must submit this package and all supporting documents to the agency paying office.