La. Stat. tit. 33 § 3661
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 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, date due, and the streets, roads, or parts thereof, along which the street lighting facilities have been installed. Each of these certificates shall bear the following endorsement:
"This certificate registered in the Mortgage Records of the Parish of ________ on this, the ______ day of ________, 20__."
La. R.S. § 33:3661