Cal. Code of Civil Procedure § 416.40 : Jurisdiction And Service Of Process — California Code Of Civil Procedure — Service Of Summons — Persons Upon Whom Summons May Be Served — Service on unincorporated association including partnership Date: 1 Aug 2016 TEXT PDF Current through the 2016 Legislative Session A summons may be served on an unincorporated association (including a partnership) by delivering a copy of the summons and of the complaint: (a) If the association is a general or limited partnership, to the person designated as agent for service of process in a statement filed with the Secretary of State or to a general partner or the general manager of the partnership; (b) If the association is not a general or limited partnership, to the person designated as agent for service of process in a statement filed with the Secretary of State or to the president or other head of the association, a vice president, a secretary or assistant secretary, a treasurer or assistant treasurer, a general manager, or a person authorized by the association to receive service of process; (c) When authorized by Section 18220 of the Corporations Code, as provided by that section. Ca. Civ. Proc. Code § 416.40 Amended by Stats 2004 ch 178 (SB 1746),s 3, eff. 1/1/2005