49 CFR § 390.3T - General applicability.
(i) To violate certain safety regulations are applicable to all motor carriers, shippers, receivers, and transportation intermediaries; and
(ii) To violate certain commercial regulations are applicable to all operators of commercial motor vehicles.
(b) The rules in part 383 of this chapter, Commercial Driver's License Standards; Requirements and Penalties, are applicable to every person who operates a commercial motor vehicle, as defined in § 383.5 of this subchapter, in interstate or intrastate commerce and to all employers of such persons.
(d) Additional requirements. Nothing in this subchapter shall be construed to prohibit an employer from requiring and enforcing more stringent requirements relating to safety of operation and employee safety and health.
(e) Knowledge of and compliance with the regulations.
(3) All motor vehicle equipment and accessories required by this subchapter shall be maintained in compliance with all applicable performance and design criteria set forth in this subchapter.
(f) Exceptions. Unless otherwise specifically provided, the rules in this subchapter do not apply to -
(2) Transportation performed by the Federal government, a State, or any political subdivision of a State, or an agency established under a compact between States that has been approved by the Congress of the United States;
(3) The occasional transportation of personal property by individuals not for compensation nor in the furtherance of a commercial enterprise;
(4) The transportation of human corpses or sick and injured persons;
(6) The operation of commercial motor vehicles designed or used to transport between 9 and 15 passengers (including the driver), not for direct compensation, provided the vehicle does not otherwise meet the definition of a commercial motor vehicle, except that motor carriers and drivers operating such vehicles are required to comply with §§ 390.15, 390.19T, 390.21T(a) and (b)(2), 391.15(e) and (f), 392.80 and 392.82 of this chapter.
(7) Either a driver of a commercial motor vehicle used primarily in the transportation of propane winter heating fuel or a driver of a motor vehicle used to respond to a pipeline emergency, if such regulations would prevent the driver from responding to an emergency condition requiring immediate response as defined in § 390.5T.
(g) Motor carriers that transport hazardous materials in intrastate commerce. The rules in the following provisions of this subchapter apply to motor carriers that transport hazardous materials in intrastate commerce and to the motor vehicles that transport hazardous materials in intrastate commerce:
(1) Part 385, subparts A and E, of this chapter for carriers subject to the requirements of § 385.403 of this chapter.
(4) Section 390.19T, Motor carrier identification report, and § 390.21T, Marking of CMVs, for carriers subject to the requirements of § 385.403 of this chapter. Intrastate motor carriers operating prior to January 1, 2005, are excepted from § 390.19T(a)(1).
(h) Intermodal equipment providers. On and after December 17, 2009, the rules in the following provisions of this subchapter apply to intermodal equipment providers:
(4) Part 393 of this chapter, Parts and Accessories Necessary for Safe Operation.
(5) Part 396 of this chapter, Inspection, Repair, and Maintenance.