A motion is a formal request, made in writing, asking the court for a specific action. The written motion must be filed with the Oakland County Clerk's Office.The California Courts Self-Help Guide provides step-by-step information and resources to understand Child Custody and Visitation issues. We can answer questions about your case, help you figure out which forms you need and how to fill them out, and explain different legal options. Instructions on how to submit your petition electronically and on paper are listed in the Contact Us Section below. For legal assistance call 800-776-5746 or fill out our Short Term Assistance Request Form. We will contact you in 2-3 days. 310 8th Street, Suite 308, Oakland, CA 94607. If it has been less than 36 months since the last court order review, either parent may file a court motion to change the child support order. The official website of the City of Oakland.