California Code of Civil Procedure Section 801.9

CA Civ Pro Code § 801.9 (2017)  

In addition to the matters required to be set forth in the affidavit by the plaintiff for publication of summons, it shall appear by the affidavit that the plaintiff used reasonable diligence to ascertain the identity and residence of the unknown defendants and of any persons sued as heirs and devisees.

(Amended by Stats. 1969, Ch. 1611.)

Last modified: October 25, 2018