California Code, Public Resources Code - PRC § 42648

(a) “Individual” means a person who works at, or attends, a large venue or large event, or a customer who is seated or served at the large venue or large event.

(b) “Large event” means an event that charges an admission price, or is operated by a local agency, and serves an average of more than 2,000 individuals per day of operation of the event, including, but not limited to, a public, nonprofit, or privately owned park, parking lot, golf course, street system, or other open space when being used for an event, including, but not limited to, a sporting event or a flea market.

(c) “Large venue” means a permanent venue facility that annually seats or serves an average of more than 2,000 individuals within the grounds of the facility per day of operation of the venue facility. For purposes of this chapter, a venue facility includes, but is not limited to, a public, nonprofit, or privately owned or operated stadium, amphitheater, arena, hall, amusement park, conference or civic center, zoo, aquarium, airport, racetrack, horse track, performing arts center, fairground, museum, theater, or other public attraction facility. For purposes of this chapter, a site under common ownership or control that includes more than one large venue that is contiguous with other large venues in the site, is a single large venue.

(d) “Local agency” means a city or county.