California Code, Labor Code - LAB § 1310

(a) The appearance of any minor in any church, public or religious school, or community entertainment.

(b) The appearance of any minor in any school entertainment or in any entertainment for charity or for children, for which an admission fee is not charged.

(c) The appearance of any minor in any radio or television broadcasting or digital exhibition, if the minor does not receive compensation directly or indirectly therefor, the engagement of the minor is limited to a single appearance lasting not more than one hour, and an admission fee is not charged for the radio or television broadcasting or digital exhibition.

(d) The appearance of any minor at any one event during a calendar year, occurring on a day on which school attendance is not required or on the day preceding such a day, lasting four hours or less, if a parent or guardian of the minor is present, for which the minor does not directly or indirectly receive any compensation.