K.S.A. 58-30a08: When lien attaches.

If the broker has a written agreement with a prospective buyer as provided in subsection (b) of K.S.A. 58-30a03, and amendments thereto, the lien attaches when the broker records a notice of the lien within 90 days after the purchase, conveyance or transfer in the office of the register of deeds in the county in which the commercial real estate is located.