(a) Purpose. The purpose of this subpart is to establish a program designed to help prevent accidents and injuries resulting from the use of prohibited drugs by employees who perform safety-sensitive functions.

(b) DOT procedures. (1) Each employer shall ensure that drug testing programs conducted pursuant to 14 CFR parts 65, 91, 121, and 135 comply with the requirements of this subpart and the “Procedures for Transportation Workplace Drug Testing Programs” published by the Department of Transportation (DOT) (49 CFR part 40).

(2) An employer may not use or contract with any drug testing laboratory that is not certified by the Department of Health and Human Services (HHS) under the National Laboratory Certification Program.

(c) Employer responsibility. As an employer, you are responsible for all actions of your officials, representatives, and service agents in carrying out the requirements of this subpart and 49 CFR part 40.

(d) Applicable Federal regulations. The following applicable regulations appear in 49 CFR or 14 CFR:

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

(2) 14 CFR:

(i) § 67.107—First-Class Airman Medical Certificate, Mental.

(ii) § 67.207—Second-Class Airman Medical Certificate, Mental.

(iii) § 67.307—Third-Class Airman Medical Certificate, Mental.

(iv) § 91.147—Passenger carrying flight for compensation or hire.

(v) § 135.1—Applicability.

(e) [RESERVED].