Business and Professions Code § 13420

Every person, firm, partnership, association, trustee, or corporation that owns, leases, or rents and operates a facility that offers any motor vehicle fuel for sale to the public from a fueling facility abutting or adjacent to a street or highway shall accurately update all signs, banners, or other advertising media that indicate hours of the sale. Advertising media indicating hours of sale shall be updated on a monthly basis.