San Antonio, Tex. 78204. The sole purpose of this form is to authorize the above named representative to complete the transaction indicated.The Office of the Texas Secretary of State (the Office) is the only state agency authorized to issue certificates to authenticate Texas public records. How to fill out the Authorization Letter to Collect Documents? The owner of record may use this form to authorize another individual to process their registration or titling transaction. Individuals must present documents to verify their identity when applying for a driver license or identification card. You may owe a debt, but you still have rights. And debt collectors have to obey the law. Work Permit Authorization Letter. All persons conducting business in the Tax Assessor-Collector's Office are encouraged to wear a facial covering.