The record of any instrument or of a certified copy of any instrument, record, proceeding, entry, order, decree, or appointment which was recorded in the office of any register of deeds prior to January 1, 1992, which would have been eligible for record by virtue of any later amendment of § 43-28-4 as of January 1, 1992, is hereby legalized and shall have the same force and effect as if it had been recorded after the later amendment of §