La. Const. A. § 14-25
In addition to such other taxes as the City of New Orleans is now, or may be hereafter, authorized to levy, said City shall levy annually a special tax, not exceeding three mills on the dollar, on all taxable property in said City, as assessed and valued for city taxation purposes. The avails of said special tax are hereby dedicated to the maintenance of a double platoon system in the Fire Department and a triple platoon system in the Police Department of said City, and for an increase in the pay of the officers and men in said departments, respectively, and shall be used by said City exclusively for said purposes, respectively, according to such apportionment as said City may make from time to time; provided, however, that one-half the avails of said tax in excess of two mills shall be used exclusively for the purpose of an increase in the pay of officers and men in the Fire Department of said City, while the other half shall be used exclusively for the purpose of an increase in the pay of officers and men in the Police Department of said City.
La. Const. A. § 14-25