Cal. Corp. Code § 17710.14
(a) If the surviving entity is a limited liability company or an other business entity, other than a corporation in a merger in which a domestic corporation is a constituent party, after approval of a merger by the constituent limited liability companies and any constituent other business entities, the constituent limited liability companies and constituent other business entities shall file a certificate of merger in the office of, and on a form prescribed by, the Secretary of State. The certificate of merger shall be executed and acknowledged by each domestic constituent limited liability company by all managers, or if none, all members unless a lesser number is provided in the articles of organization or operating agreement of the domestic constituent limited liability company and by each foreign constituent limited liability company by one or more managers, or if none, members, and by each constituent other business entity by those persons required to execute the certificate of merger by the laws under which the constituent other business entity is organized. The certificate of merger shall set forth all of the following: