La. Stat. tit. 45 § 1164.2
Notwithstanding any other law to the contrary, upon the petition of not less than twenty-five percent of or seven thousand five hundred of the qualified electors residing within any municipality or other political subdivision, whichever is lesser, or upon the petition of not less than twenty-five percent of or ten thousand of the qualified electors residing within any municipality having a population of 400,000 or more, except in the Parish of Orleans, whichever is lesser, the governing authority shall order a referendum election to be held to determine whether or not any public utility owned by such political subdivision shall be under the jurisdiction and control of the commission. No referendum election called pursuant to this Section shall be held within two years of any other referendum election held pursuant to this Section.
La. R.S. § 45:1164.2