Every person who owns or operates an incidental camping area with an attendant on the premises shall keep a register in which shall be entered all of the following:
(a)
The name and address of the owner or occupant of each recreational vehicle or each person in a camping party.(b)
The make, type and license number of the recreational vehicle and the state in which the recreational vehicle is registered and the year of registration as shown on the license plates attached to it when a recreational vehicle is to be located on a lot.(c)
Dates of occupancy, not to exceed 30 days annually.
Source:
Section 18871.9, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=18871.9..