Kan. Stat. Ann. § 58-2333i
(a) Any mortgage or deed of trust against real property located in this state recorded on or after January 1, 1955, and before January 1, 1965, or referred to or described in any instrument of record within such period shall be void, unless, prior to July 1, 1998, the owner and holder thereof files, in the office of the register of deeds of the county in which the property is located, an affidavit stating:
(b) Any mortgage or deed of trust against real property located in this state recorded on or after January 1, 1965, or referred to or described in any instrument of record after such date, shall be void by operation of law if:
(2) prior to July 1 of the year next preceding the date 42 years after the date of initial recording, an action is not commenced to foreclose the mortgage or deed of trust, or the owner and holder of the mortgage does not file in the office of the register of deeds of the county in which the property is located, an affidavit stating:
L. 1997, ch. 14, § 1; L. 1997, ch. 176, § 8; L. 1998, ch. 25, § 1; July 1.