La. Stat. tit. 33 § 3689.10
The said paving certificates shall be signed by the president and by the secretary of the police jury for, on behalf of, and in the name of the parish and under the seal thereof. The interest coupons shall be signed with the facsimile signatures of the said officers and before delivery thereof, they shall be registered in the mortgage records of the parish affected as to the serial number or numbers, amount, rate of interest, dates due and street or streets, road or roads, alley or alleys or parts thereof improved. Each of the said certificates shall bear the following endorsement, viz:
"This certificate registered in the Mortgage Records of the Parish of __________, Louisiana, on this the _____ day of __________, 20___.
________________________
Clerk of Court and Ex-Officio
Recorder of Mortgages,
Parish of ____________, Louisiana"
La. R.S. § 33:3689.10