CALIFORNIA RULES OF COURT
Title 5. Family and Juvenile Rules
Division 1. Family Rules
Chapter 3. Joinder of Parties
As amended through January 1, 2012
Rule 5.150. Joinder of persons claiming interest
Notwithstanding any other rule in this division, a person who claims or controls an interest subject to disposition in the proceeding may be joined as a party to the proceeding only as provided in this chapter. Except as otherwise provided in this chapter, all provisions of law relating to joinder of parties in civil actions generally apply to the joinder of a person as a party to the proceeding.