Download, print and complete the authorization form. The authorization form must be signed and dated.Medi-Cal Rx Prior Authorization Request Form. Instructions: Fill out all applicable sections on all pages completely and legibly. Patient Registration Forms. What information will be in the authorization form? The authorization form will tell you: Who will use, share, and receive your personal health information. The form was submitted successfully. Please bring the completed forms with you to your appointment. Additional medical history forms will be required for completion at the time of your appointment.