Get your documents the Apostille authentication seal for international use. We handle all your Texas Apostille services for you quickly.A letter of authority can only be obtained from the Master of the High Court when a person has died and the death has been reported. Hours: A.M. – P.M.. Legal Advice, Elder, Bankruptcy, Estate Planning, Healthcare. 5. The County Clerk's Office records and maintains the records of the Commissioners Court, the Probate Courts, and the County Civil Courts at Law. The Embassy of Portugal informs that it will be providing a "Presença Consular" in Houston, Texas, from May 6th to 10th, 2024. Letter of authority. I need to get a letter of authority so that I change our home ownership since we lost our parents. Application form must be filled in correctly. The person(s) exercising the parental authority or the legal guardian for the minor must sign for the minor.