Cal. Bus. & Prof. Code § 7065.5

No license shall be issued to a minor, nor to any partnership a partner of which is a minor, nor to any corporation any officer, director or responsible managing employee of which is a minor, nor to any limited liability company any officer, manager, or responsible managing employee of which is a minor, nor to any other kind of business organization in which a minor holds a responsible official position, unless the minor shall first have had a guardian appointed by a court of competent jurisdiction.