California Code, Penal Code - PEN § 311.6

Every person who knowingly engages or participates in, manages, produces, sponsors, presents or exhibits obscene live conduct to or before an assembly or audience consisting of at least one person or spectator in any public place or in any place exposed to public view, or in any place open to the public or to a segment thereof, whether or not an admission fee is charged, or whether or not attendance is conditioned upon the presentation of a membership card or other token, is guilty of a misdemeanor.