If you have any questions regarding the filing of a "Claim for Refund," please call (213) 744-9724. Return all signed refund claims to: Office of Finance.Fill out claim as indicated; attach additional information if necessary. 3. Please return this original signed claim and any attachments supporting your claim. Provide us a written statement with supporting documents listing the facts to support your claim. To figure out the amount to enter on line 74 of Form 540 or line 84 of Form 540NR, fill out the Excess SDI (or VPDI) Worksheet. Fill out the request for a refund letter addressed to the Orange County Superior Court on your company's letterhead. Excess Payments: If you pay the same bill twice or overpay taxes, a refund may result.