(a) A credit union may relocate a safe deposit box or open the box to relocate its contents to another location if the security of the box is threatened or destroyed by an unforeseeable circumstance beyond the credit union's control, including a natural disaster such as a tornado, flood, or fire.
(b) Not later than the 90th day after the date on which the box is relocated, the credit union shall notify each lessee in whose name the box is held of the new box number or location. The notice must be sent by certified mail, return receipt requested, to each lessee named in the records of the credit union at the address shown in those records.