La. Stat. tit. 33 § 383.3
The governing authority of a municipality having a population between two thousand five hundred and five thousand within a parish having a population between two hundred thousand and two hundred fifty thousand, based on the latest federal decennial census, may enact an ordinance limiting the number of terms of office which any elected official of the municipality may serve to two consecutive terms in the same office. Any ordinance herein authorized shall become effective only after the question of such term limitation has been submitted to and approved by a majority of the qualified electors of the municipality who vote on the proposition at a regularly scheduled primary or general election held in accordance with the Louisiana Election Code.
La. R.S. § 33:383.3