California Code
ARTICLE 4 - Parties
Section 116.410.

116.410. (a) Any person who is at least 18 years of age, or legally emancipated, and mentally competent may be a party to a small claims action.

(b) A minor or incompetent person may appear by a guardian ad litem appointed by a judge of the court in which the action is filed.

(Amended by Stats. 2004, Ch. 171, Sec. 1. Effective January 1, 2005.)