[Code of Federal Regulations] [Title 49, Volume 7] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR655.52] [Page 67] TITLE 49--TRANSPORTATION CHAPTER VI--FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 655_PREVENTION OF ALCOHOL MISUSE AND PROHIBITED DRUG USE IN TRANSIT OPERATIONS--Table of Contents Subpart F_Drug and Alcohol Testing Procedures Sec. 655.52 Substance abuse professional (SAP). The SAP must perform the functions in 49 CFR Part 40.