“Slide-in camper” means a portable unit, consisting of a roof, floor, and sides, designed to be loaded onto, and unloaded from, a truck and designed for human habitation for recreational or emergency occupancy. “Slide-in camper” means a truck camper.
Source:
Section 18012.4, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=18012.4..