(a)
For the purposes of registration of manufactured homes and mobilehomes pursuant to this chapter, a manufactured home or mobilehome shall include as a single unit with one registration, two or more sections that are manufactured, fabricated, or altered for use as a single manufactured home or mobilehome.(b)
Each transportable section of a commercial coach shall be registered and titled separately.
Source:
Section 18080.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=18080.3..