California
Vehicle Code – VC 2805
As used in this subdivision, “identifiable vehicle component” means any component which can be distinguished from other similar components by a serial number or other unique distinguishing number, sign, or symbol.
(b) A member of the California Highway Patrol, a member of a city police department or county sheriff’s office, or a district attorney investigator whose primary responsibility is to conduct vehicle theft investigations, may also inspect, for the purposes specified in subdivision (a), implements of husbandry, special construction equipment, forklifts, and special mobile equipment in the places described in subdivision (a) or when that vehicle is incidentally operated or transported upon a highway.
(c) Whenever possible, inspections conducted pursuant to subdivision (a) or (b) shall be conducted at a time and in a manner so as to minimize any interference with, or delay of, business operations.