La. Stat. tit. 39 § 1468
For the purpose of debt limitation laws restricting the amount of general obligation bonds that may be issued by the state, no bond shall be deemed to be outstanding when payment of the principal of the applicable redemption premium, if any, on such bond, plus interest thereon to the due date thereof, whether such due date is by reason of maturity or upon redemption or prepayment or otherwise, shall have been made or caused to be made in accordance with the terms thereof, or shall have been provided by irrevocably depositing with a trustee or one of the paying agents for such bonds, in trust, moneys sufficient to make such payment or government obligations maturing as to principal and interest in such amount and at such time as will insure the availability of sufficient moneys to make such payment.
La. R.S. § 39:1468