At or prior to the time the principal, interest and premium, if any, on any revenue bonds issued hereunder to provide a particular project have been fully paid, the port district may execute such deeds and conveyances as are necessary and required to convey its right, title and interest in such project to any person, provided that if such conveyance is made prior to when the revenue bonds are fully paid, the port district has determined that adequate provision has been made for the payment of the principal, interest and premium, if any, on the bonds as they become due.
Idaho Code § 70-2111