When any town plat shall be filed and recorded with the register of deeds of the county, and by reason of the establishment of any new county, or the alteration of any county lines, the city or town shall fall within a different county, such register shall transmit such plat to the register of deeds of the county within which such city or town may be, and it shall thereupon be recorded by him or her.
K.S.A. 12-410