La. Stat. tit. 39 § 1557.1
Each change order to a contract which adds an amount of ten percent or more of the original contract amount and which additional amount is at least ten thousand dollars or all change orders to a contract aggregating to an amount of twenty percent or more of the original contract amount and which additional amount is at least ten thousand dollars shall be recorded by the governmental body which entered into the contract in the office of the recorder of mortgages in the parish where the work is to be done or where the entity is domiciled not later than thirty days after the date of the change order which requires that the recordation take place. In addition, the original contract shall be recorded together with the amendments or other revisions if not previously recorded. The provisions of this Section shall not apply to the office of facility planning and control, and the office of state procurement.
La. R.S. § 39:1557.1