{"operation":"document","citation":"49 CFR 40.343","title":"What tasks may a service agent perform for an employer?","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"As a service agent, you may perform for employers the tasks needed to comply with DOT agency drug and alcohol testing regulations, subject to the requirements and limitations of this part.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-40-343.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-40-343.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-40-343","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-40.343","body":"As a service agent, you may perform for employers the tasks needed to comply with DOT agency drug and alcohol testing regulations, subject to the requirements and limitations of this part.","truncated":false,"body_characters":188}