The Authority may establish guidelines relating to: The deposits of certain moneys, endowments, or properties by participating institutions or lending institutions so as to provide reasonable security for education loans funding programs, Authority loans, education loans, or for bonds; and Guarantees of or contracts to purchase education loans or bonds by lending institutions, participating institutions or by financial institutions or others. A default reserve fund may be established for any series or issue of bonds. The Authority may receive moneys, endowments, properties, and guarantees as it determines appropriate and, if necessary, take title in the name of the Authority or in the name of a lending institution, a participating institution, or a trustee. When the principal of and interest on bonds of the Authority issued to finance the cost of any education loan refinancing program or programs, including any refunding bonds issued to refund or refinance any bonds, have been fully paid and retired or when adequate provision has been made to fully pay and retire the bonds, and all other conditions of the bond resolution authorizing the bonds have been satisfied and the lien created by the bond resolution has been released in accordance with the provisions of this Section, the Authority shall promptly do the things and execute the deeds and conveyances necessary and required to convey any remaining moneys, properties and other assets comprising loan funding deposits to the lending institutions and the participating institutions in proportion to the amounts furnished by the respective institutions.