The Delegation of Authority letter should accompany the financial instrument or permit application, etc. , it is intended to supplement.Your Filing Options. File online with a credit card. This document provides samples of authorization letters that allow someone to collect important documents on another person's behalf. It is always important to add the date to your authorization letter to collect documents. Submitting Out-of-State Certificates. 900 South Fremont Ave, 3rd FL. Alhambra, CA 91803.