[Code of Federal Regulations] [Title 48, Volume 6] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 48CFR1511.011-75] [Page 22] TITLE 48--FEDERAL ACQUISITION REGULATIONS SYSTEM CHAPTER 15--ENVIRONMENTAL PROTECTION AGENCY PART 1511_DESCRIBING AGENCY NEEDS--Table of Contents Sec. 1511.011-75 Working files. Contracting Officers shall insert the contract clause at 1552.211-75 in all applicable EPA contracts where accurate working files on all work documentation is required in the performance of the contract.