---identifier: "/us/cfr/t49/s390.8"source: "ecfr"legal_status: "authoritative_unofficial"title: "49 CFR § 390.8 - Separation of functions."title_number: 49title_name: "Transportation"section_number: "390.8"section_name: "Separation of functions."chapter_name: "FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"subchapter_number: "B"subchapter_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS"part_number: "390"part_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS; GENERAL"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "49 U.S.C. 113, 504, 508, 31132, 31133, 31134, 31136, 31137, 31144, 31149, 31151, 31502; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; secs. 212 and 217, Pub. L. 106-159, 113 Stat. 1748, 1766, 1767; sec. 229, Pub. L. 106-159 (as added and transferred by sec. 4115 and amended by secs. 4130-4132, Pub. L. 109-59, 119 Stat. 1144, 1726, 1743, 1744), 113 Stat. 1748, 1773; sec. 4136, Pub. L. 109-59, 119 Stat. 1144, 1745; secs. 32101(d) and 32934, Pub. L. 112-141, 126 Stat. 405, 778, 830; sec. 2, Pub. L. 113-125, 128 Stat. 1388; secs. 5403, 5518, and 5524, Pub. L. 114-94, 129 Stat. 1312, 1548, 1558, 1560; sec. 2, Pub. L. 115-105, 131 Stat. 2263; and 49 CFR 1.81, 1.81a, 1.87."regulatory_source: "53 FR 18052, May 19, 1988, unless otherwise noted."cfr_part: "390"---
Identifier
/us/cfr/t49/s390.8
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Federal Motor Carrier Safety Administration, Department of Transportation
Authority
49 U.S.C. 113, 504, 508, 31132, 31133, 31134, 31136, 31137, 31144, 31149, 31151, 31502; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; secs. 212 and 217, Pub. L. 106-159, 113 Stat. 1748, 1766, 1767;... 49 U.S.C. 113, 504, 508, 31132, 31133, 31134, 31136, 31137, 31144, 31149, 31151, 31502; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; secs. 212 and 217, Pub. L. 106-159, 113 Stat. 1748, 1766, 1767; sec. 229, Pub. L. 106-159 (as added and transferred by sec. 4115 and amended by secs. 4130-4132, Pub. L. 109-59, 119 Stat. 1144, 1726, 1743, 1744), 113 Stat. 1748, 1773; sec. 4136, Pub. L. 109-59, 119 Stat. 1144, 1745; secs. 32101(d) and 32934, Pub. L. 112-141, 126 Stat. 405, 778, 830; sec. 2, Pub. L. 113-125, 128 Stat. 1388; secs. 5403, 5518, and 5524, Pub. L. 114-94, 129 Stat. 1312, 1548, 1558, 1560; sec. 2, Pub. L. 115-105, 131 Stat. 2263; and 49 CFR 1.81, 1.81a, 1.87.
# 390.8 Separation of functions.(a) An Agency employee who has taken an active part in investigating, prosecuting, advocating, or making an initial Agency determination in a proceeding under § 380.723, § 382.717, § 390.115, § 390.135, or § 391.47 of this chapter or section 5.4 to appendix A to subpart B of part 395 of this chapter may not, in that case or a factually-related case, advise or assist the Agency official authorized to issue a final decision in the applicable proceeding.(b) Nothing in this section shall preclude the Agency official authorized to issue a final decision or anyone advising that Agency official from taking part in a determination to launch an investigation or issue a complaint, or similar preliminary decision.[86 FR 57073, Oct. 14, 2021]