Louisiana constitution
Article 7
Section 25

(F) Postponement of Taxes. The legislature may postpone the payment of taxes, but only in cases of overflow, general conflagration, general crop destruction, or other public calamity, and may provide for the levying, assessing, and collecting of such postponed taxes. In such case, the legislature may authorize the borrowing of money by the state on its faith and credit, by bond issue or otherwise, and may levy taxes, or apply taxes already levied and not appropriated, to secure payment thereof, in order to create a fund from which loans may be made through the Interim Emergency Board to the governing authority of the parish where the calamity occurs. The money loaned shall be applied to and shall not exceed the deficiency in revenue of the parish or a political subdivision therein or of which the parish is a part, caused by postponement of taxes. No loan shall be made to a parish governing authority without the approval of the Interim Emergency Board.