Sections 4452, 4604, 5904, 6052, and 9254, and subdivision (a) of Section 9552 do not apply to the registration or renewal of registration of any trailer coach.
The registration provisions of this article shall not apply to any of the following:
(a)
Any trailer coach which is driven or moved upon a highway in any of the following circumstances:
(1)
In conformance with the provisions of this code relating to dealers, manufacturers, transporters, or nonresidents.
(2)
Under a temporary permit issued by the department as authorized by Section 4156.
(3)
Under a one-trip permit issued by the department as authorized by Section 4003 when such permit is issued to a nonresident.
(b)
Any unoccupied trailer coach which is part of an inventory of trailer coaches held for sale by a manufacturer or dealer in the course of his business.