[Code of Federal Regulations] [Title 41, Volume 3] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR102-118.100] [Page 317] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 102--FEDERAL MANAGEMENT REGULATION PART 102-118--TRANSPORTATION PAYMENT AND AUDIT--Table of Contents Subpart B--Ordering and Paying for Transportation and Transportation Services Sec. 102-118.100 What must my agency ensure is on each SF 1113? Your agency must ensure during its prepayment audit of a TSP bill that the TSP filled out the Public Vouchers, SF 1113, completely including the taxpayer identification number (TIN), and standard carrier alpha code (SCAC). An SF 1113 must accompany all billings.