Code of Federal Regulations > Title 49 > Chapter A > Part 40 > Subpart Q - Subpart Q—Roles and Responsibilities of Service Agents

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 40.341 - Must service agents comply with DOT drug and alcohol testing requirements?

§ 40.343 - What tasks may a service agent perform for an employer?

§ 40.345 - In what circumstances may a C/TPA act as an intermediary in the transmission of drug and alcohol testing information to employers?

§ 40.347 - What functions may C/TPAs perform with respect to administering testing?

§ 40.349 - What records may a service agent receive and maintain?

§ 40.351 - What confidentiality requirements apply to service agents?

§ 40.353 - What principles govern the interaction between MROs and other service agents?

§ 40.355 - What limitations apply to the activities of service agents?