{"operation":"document","citation":"49 CFR 199.103","title":"Use of persons who fail or refuse a drug test.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) An operator may not knowingly use as an employee any person who—\n\n(1) Fails a drug test required by this part and the medical review officer makes a determination under DOT Procedures; or\n\n(2) Refuses to take a drug test required by this part.\n\n(b) Paragraph (a)(1) of this section does not apply","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-199-103.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-199-103.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-199-103","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-199.103","body":"(a) An operator may not knowingly use as an employee any person who—\n\n(1) Fails a drug test required by this part and the medical review officer makes a determination under DOT Procedures; or\n\n(2) Refuses to take a drug test required by this part.\n\n(b) Paragraph (a)(1) of this section does not apply to a person who has—\n\n(1) Passed a drug test under DOT Procedures;\n\n(2) Been considered by the medical review officer in accordance with DOT Procedures and been determined by a substance abuse professional to have successfully completed required education or treatment; and\n\n(3) Not failed a drug test required by this part after returning to duty.\n\n[53 FR 47096, Nov. 21, 1988, as amended by Amdt. 199-2, 54 FR 51850, Dec. 18, 1989. Redesignated and amended by Amdt. 199-19, 66 FR 47118, Sept. 11, 2001]","truncated":false,"body_characters":805}