Before you start Document your costs You'll need to file a written statement saying what you've spent and how much interest needs to be paid. Credit Card Authorization Form.Please complete all fields. The first step is to get in touch with your lender or loan servicer. You can find their contact information on your monthly statements. To find out more about the conditions under which a payment plan may be authorized please contact one of our tax specialists at (909) 387-8308. Credit Union of Southern California is available whenever you need assistance. Our commonly used forms including the direct deposit form and dispute form are provided for your convenience. You, the Buyer (and Co-Buyer, if any), may buy the vehicle below for cash or on credit. 1 (888) 413-4981. Mail.