Any person whose interest in land is derived from an instrument or court proceeding recorded subsequent to the root of title, which instrument or proceeding did not contain a description of the land as specified by s. 712.01(3), and whose interest had not been extinguished prior to July 1, 1981, shall have until July 1, 1983, to file a notice in accordance with s. 712.06 to preserve the interest.

s. 2, ch. 81-242.