La. Public Officers and Employees § 42:198
All public officers commissioned by the governor, who are required to give bond, may give a special mortgage on property situated within the parish in which they respectively exercise their functions. The mortgage shall be accepted by the persons appointed by law to accept the bond.
The public officer proposing to mortgage property shall exhibit his title and a certificate of mortgages, to the persons authorized to approve the bond, who shall cause the property to be appraised, and not receive it unless it is double the amount of security required, after deducting all mortgages. The persons taking the mortgage shall cause it to be inscribed in the office of the recorder of mortgages, as required by law.
La. Public Officers and Employees § 42:198