---identifier: "/us/cfr/t49/s391.2"source: "ecfr"legal_status: "authoritative_unofficial"title: "49 CFR § 391.2 - General exceptions."title_number: 49title_name: "Transportation"section_number: "391.2"section_name: "General exceptions."chapter_name: "FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"subchapter_number: "B"subchapter_name: "FEDERAL MOTOR CARRIER SAFETY REGULATIONS"part_number: "391"part_name: "QUALIFICATIONS OF DRIVERS AND LONGER COMBINATION VEHICLE (LCV) DRIVER INSTRUCTORS"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "49 U.S.C. 504, 508, 31133, 31136, 31149, 31502; sec. 4007(b), Pub. L. 102-240, 105 Stat. 1914, 2152; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; sec. 215, Pub. L. 106-159, 113 Stat. 1748, 1767; sec. 32934, Pub. L. 112-141, 126 Stat. 405, 830; secs. 5403 and 5524, Pub. L. 114-94, 129 Stat. 1312, 1548, 1560; sec. 2, Pub. L. 115-105, 131 Stat. 2263; and 49 CFR 1.87."regulatory_source: "35 FR 6460, Apr. 22, 1970, unless otherwise noted."cfr_part: "391"---
Identifier
/us/cfr/t49/s391.2
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. 504, 508, 31133, 31136, 31149, 31502; sec. 4007(b), Pub. L. 102-240, 105 Stat. 1914, 2152; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; sec. 215, Pub. L. 106-159, 113 Stat. 1748, 1767; s... 49 U.S.C. 504, 508, 31133, 31136, 31149, 31502; sec. 4007(b), Pub. L. 102-240, 105 Stat. 1914, 2152; sec. 114, Pub. L. 103-311, 108 Stat. 1673, 1677; sec. 215, Pub. L. 106-159, 113 Stat. 1748, 1767; sec. 32934, Pub. L. 112-141, 126 Stat. 405, 830; secs. 5403 and 5524, Pub. L. 114-94, 129 Stat. 1312, 1548, 1560; sec. 2, Pub. L. 115-105, 131 Stat. 2263; and 49 CFR 1.87.
# 391.2 General exceptions.(a) *Farm custom operation.* The rules in this part, except for § 391.15(e) and (f), do not apply to a driver who drives a commercial motor vehicle controlled and operated by a person engaged in custom-harvesting operations, if the commercial motor vehicle is used to—(1) Transport farm machinery, supplies, or both, to or from a farm for custom-harvesting operations on a farm; or(2) Transport custom-harvested crops to storage or market.(b) *Apiarian industries.* The rules in this part, except for § 391.15(e) and (f), do not apply to a driver who is operating a commercial motor vehicle controlled and operated by a beekeeper engaged in the seasonal transportation of bees.(c) *Certain farm vehicle drivers.* The rules in this part, except for § 391.15(e) and (f), do not apply to a farm vehicle driver except a farm vehicle driver who drives an articulated (combination) commercial motor vehicle, as defined in § 390.5 of this chapter. For limited exemptions for farm vehicle drivers of articulated commercial motor vehicles, see § 391.67.(d) *Covered farm vehicles.* The rules in part 391, Subpart E—Physical Qualifications and Examinations—do not apply to drivers of “covered farm vehicles,” as defined in 49 CFR 390.5.(e) *Pipeline welding trucks.* The rules in this part do not apply to drivers of “pipeline welding trucks” as defined in 49 CFR 390.38(b).[76 FR 75487, Dec. 2, 2011, as amended at 78 FR 16195, Mar. 14, 2013; 78 FR 58483, Sept. 24, 2013; 81 FR 47720, July 22, 2016]