(a) Duties of first-named plaintiff or petitioner Except as provided under rule 2.251 for electronic service, if more than two parties have appeared in a case and are represented by different counsel, the plaintiff or petitioner named first in the complaint or petition must: (1) Maintain a current list of the parties and their addresses for service of notice on each party; and (2) Furnish a copy of the list on request to any party or the court. (Subd (a) amended effective January 1, 2016; adopted