Every seller shall at all times keep and maintain a complete set of books, records and accounts of seller assisted marketing plan sales made by the seller. All documents relating to each specific seller assisted marketing plan sold or leased shall be maintained for four years after the date of the seller assisted marketing plan contract.
Source:
Section 1812.213, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=1812.213..