(a) After the court has approved a sale and the purchaser has complied with the terms of the sale, the guardian of the estate shall promptly execute and deliver to the purchaser a proper deed conveying the property.
(b) If the sale is made partly on credit:
(1) the vendor's lien securing a purchase money note must be expressly retained in the deed and may not be waived; and
(2) before actual delivery of the deed to the purchaser, the purchaser shall execute and deliver to the guardian of the estate a vendor's lien note, with or without personal sureties as ordered by the court, and a deed of trust or mortgage on the property as additional security for the payment of the note.
(c) On completion of the transaction, the guardian of the estate shall promptly file and record the deed of trust or mortgage in the appropriate records in the county in which the land is located.
Official text of the Texas Estates Code as published by the Texas Legislative Council.