La. Stat. tit. 39 § 621
The legislature declares that it enacts R.S. 39:619 through 622 in the exercise of the powers reserved to the state by the tenth amendment to the constitution of the United States and by the Act of Congress approved May 24, 1934, c. 345, 48 Stat. 798, and in order to keep unimpaired the obligations of the contracts of the state, its political subdivisions, public boards and corporations, parishes, municipalities, and other taxing districts, and in their enforcement and payment to afford the holders of such contracts the due process of law guaranteed to them by the constitutions of the United States and the State of Louisiana. The legislature also declares that it enacts this legislation in furtherance of the condition imposed by the Congress of the United States for the confirmation of any plan of readjustment of debts authorized by the Act of Congress approved May 24, 1934, c. 345, 48 Stat. 798, which condition is that no such plan shall be confirmed by the courts of the United States unless the taxing district, as defined in said Act, is authorized by law, upon confirmation of the plan, to take all action necessary to carry out the plan.
La. R.S. § 39:621