Section 416.40.

Cal. Code of Civil Procedure - CCP § 416.40.
in effect
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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.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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