La. Stat. tit. 33 § 3675.9
The certificates shall be signed by the chief executive officer of the municipality and by its clerk or secretary, on behalf of and in the name of the municipality and under the seal thereof. The interest coupons shall be signed with the facsimile signature of the said officers, and before delivery, shall be registered in the mortgage records of the parish in which the municipality is located as to the serial number or numbers, amount, rate of interest, dates due, and streets, roads, or alleys, or parts thereof improved. Each of the certificates shall bear the following endorsement:
"This certificate registered in the Mortgage Records of the Parish of __________ on this the _____ day of _____________, 20___.
________________________
Clerk of Court and Ex Officio
Recorder of Mortgages,
Parish of ____________."
La. R.S. § 33:3675.9