La. R.S. 39:527

Any governmental entity, in order to pay its current expenses for any fiscal year, may issue revenue anticipation notes for the purpose of anticipating the revenues for such fiscal year. Such revenue anticipation notes shall mature not later than three months after the end of the fiscal year of the governmental entity. The amount so borrowed by any governmental entity shall not exceed the estimated income of the governmental entity as shown by the budget adopted prior to such borrowing, and the income collected as shown by the adopted budget shall be dedicated and set aside to the payment of the revenue anticipation notes as they mature.