La. Stat. tit. 9 § 4922
Any person, to whom any money is due on account of having supplied and furnished feed for mules or other livestock used by any contractor or subcontractor in the construction, erection, alteration, or repair of such roads or public works shall, within forty five days after the acceptance of the work by the state, parish, city, town, village, public board or body, or within forty five days after the default of the contractor or subcontractor, file with the authority a sworn statement of the amount due and record a sworn statement thereof with the recorder of mortgages of the parish in which the work is done or being done. The forty five days does not begin to run until the authorities record in the mortgage office an acceptance of the work or notice of the default of the contractor.
La. R.S. § 9:4922