California CodesCode of Civil Procedure - CCPPart 1 — Of Courts of JusticeTitle 1 — Organization and JurisdictionChapter 5.5 — Small Claims CourtArticle 4 — PartiesSection 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.
Notes
Allows a mentally competent person who is at least 18 years old or legally emancipated to be a party in a small claims action. A minor or incompetent person may instead appear through a guardian ad litem appointed by a judge of the court where the action is filed.
Use as reference
Lexinter.net | California Code, Code of Civil Procedure - CCP § 116.410 | https://laws.lexinter.net/codes/california/code-of-civil-procedure/part-1/title-1/chapter-5-5/article-4/section-116-410