This Authorization Letter sample is available for use on UpCounsel. Easily create and download a sample letter of authorization letter to claim using DocDraft's legal document templates.The Office of the Texas Secretary of State (the Office) is the only state agency authorized to issue certificates to authenticate Texas public records. This document authorizes the release of an impounded vehicle to a specified person or company. Follow up letters with phone calls and document whom you speak to. Dallas, TX 75266-0044. Facility Coverage Letter, Interactive. The applicant for a Texas driver license or identification card must complete Section A. A. Applicant Information. Name. Residence Address. City. State. Travel Authorization Document (for Temporary Protected Status (TPS) beneficiaries who are inside the United States).