If papers are filed in person, please obtain a service ticket. Pleading on Joinder-Employees Benefit Plan.FL-372, Request for Joinder of Employee Benefit Plan Order. You must fill out an Answer, serve the plaintiff, and file your Answer form with the court. Generally, this is due within 30 days after you were served. A responsive pleading to a complaint or cross-complaint must be filed and served within thirty (30) days of service of the complaint or cross-complaint. Forms designed for use in Contra Costa County. Pleading Paper (Template for generating court forms for use in Contra Costa County courts). Attorneys can call the Clerk's Office weekdays from am to pm at (925) 6081000. Every pleading must set forth the name of the court and county in which the action is brought and the title of the action.