The following applicable regulations appear in 49 CFR and 14 CFR:

1. (a) 49 CFR Part 40—Procedures for Transportation Workplace Drug Testing Programs

2. (b) 14 CFR:

   1. (1) § 67.107—First-Class Airman Medical Certificate, Mental.
   2. (2) § 67.207—Second-Class Airman Medical Certificate, Mental.
   3. (3) § 67.307—Third-Class Airman Medical Certificate, Mental.
   4. (4) § 91.147—Passenger carrying flights for compensation or hire.
   5. (5) § 135.1—Applicability

[Docket FAA-2008-0937, 74 FR 22653, May 14, 2009; Amdt. 120-0A, 75 FR 3154, Jan. 20, 2010]