Money or another thing of value that becomes due to the estate while an account for final settlement is pending may be paid, delivered, or tendered to the personal representative until the order of final discharge of the representative is entered in the judge's probate docket. The representative shall issue a receipt for the money or other thing of value to the obligor or payor. On issuance of the receipt, the obligor or payor is discharged of the obligation for all purposes.
Tex. Estates § 362.009