Nothing in this subchapter shall extend the periods for the bringing of an action or suit or for the doing of any act required under existing statutes of limitation, nor affect the operation of existing statutes governing the effect of the recording of or of the failure to record instruments affecting real estate. (Added 1969, No. 235 (Adj. Sess.), § 2; amended 1971, No. 14, § 18, eff. March 11, 1971.)