49 CFR 655.2: Overview.

(a) This part includes nine subparts. Subpart A of this part covers the general requirements of FTA's drug and alcohol testing programs. Subpart B of this part specifies the basic requirements of each employer's alcohol misuse and prohibited drug use program, including the elements required to be in each employer's testing program. Subpart C of this part describes prohibited drug use. Subpart D of this part describes prohibited alcohol use. Subpart E of this part describes the types of alcohol and drug tests to be conducted. Subpart F of this part addresses the testing procedural requirements mandated by the Omnibus Transportation Employee Testing Act of 1991, and as required in 49 CFR Part 40. Subpart G of this part lists the consequences for covered employees who engage in alcohol misuse or prohibited drug use. Subpart H of this part contains administrative matters, such as reports and recordkeeping requirements. Subpart I of this part specifies how a recipient certifies compliance with the rule.

(b) This part must be read in conjunction with 49 CFR Part 40, Procedures for Transportation Workplace Drug and Alcohol Testing Programs.