CCP 3605     

Art. 3605.  Content and scope of injunction or restraining order

An order granting either a preliminary or a final injunction or a temporary restraining order shall describe in reasonable detail, and not by mere reference to the petition or other documents, the act or acts sought to be restrained.  The order shall be effective against the parties restrained, their officers, agents, employees, and counsel, and those persons in active concert or participation with them, from the time they receive actual knowledge of the order by personal service or otherwise.