CALIFORNIA CODE OF CIVIL PROCEDURE
Part 2. OF CIVIL ACTIONS
Title 5. JURISDICTION AND SERVICE OF PROCESS
Chapter 4. SERVICE OF SUMMONS
Article 1. General
C.C.P. section 413.30
Where no provision is made in this chapter or other law for the service of summons, the court in which the action is pending may direct that summons be served in a manner which is reasonably calculated to give actual notice to the party to be served and that proof of such service be made as prescribed by the court.