[Code of Federal Regulations] [Title 49, Volume 5] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR382.117] [Page 164] TITLE 49--TRANSPORTATION DEPARTMENT OF TRANSPORTATION PART 382_CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING--Table of Contents Subpart A_General Sec. 382.117 Public interest exclusion. No employer shall use the services of a service agent who is subject to public interest exclusion in accordance with 49 CFR part 40, Subpart R.