(a) Nothing in sections 11-80 to 11-89 , inclusive, shall be construed to abrogate the rights and obligations of a lender, claimant or museum identified in a written loan agreement.
(b) The provisions of sections 11-80 to 11-89 , inclusive, shall not preclude a museum from availing itself of any other means of establishing or perfecting title to property in the possession of the museum.