Along with a Request for Order (form FL-300) or a Responsive Declaration (form FL-320), a party must file a supporting declaration with the court clerk and serve it on the other party. The declarations must comply with the following requirements:
A declaration included with a request for court order or a responsive declaration must not exceed 10 pages in length. A reply declaration must not exceed 5 pages in length, unless:
Cal. R. Ct. 5.111