The County Clerk's Office records and maintains the records of the Commissioners Court, the Probate Courts, and the County Civil Courts at Law. County Civil Courts at LawDownloadable Forms.Here is a list of forms that are available for downloading, printing and completing. There is no "offer form" in our library. Fill out the contract with the terms the buyer wishes to offer. Authorization Letter - Form MV-454. Focus on three things: State your intentions, show that you have the financial means to make the purchase and make a personal appeal to the seller.