Every employee is the State of California can take time off from work for leave. California law protects employees from any type of adverse employment action due to leave as a result of having to appear in court. An adverse employment action is some negative course of conduct taken by an employer towards an employee as a result of the service. Employers are permitted to ask that you provide proof of your service. Employers commonly accept: The original subpoena; The notice of jury duty service; A note or notice provided by the court. Courts will typically provide proof of jury duty service if requested. Ask a court for the proof you need, especially if your employer specially requests proof of your service.