California Code, Health and Safety Code - HSC § 114250.1

(a) Food facilities located within amusement parks, stadiums, arenas, food courts, fairgrounds, and similar premises shall not be required to provide toilet facilities for employee use within each food facility if approved toilet facilities are located within 200 feet in travel distance of each food facility and are readily available for use by employees. Food facilities subject to this section shall be provided with approved handwashing facilities for employee use.

(b) Notwithstanding subdivision (a), food facilities approved prior to the effective date of this part with toilet facilities within 300 feet are not required to meet the 200 foot requirement.