KRS 132.454

When land which is valued and taxed as agricultural or horticultural land under paragraph (c) of subsection (2) of KRS 132.450 is converted to any other use after January 1 of the tax year, that portion of the land upon which the use is changed shall be subject to tax for the succeeding tax year at its fair cash value. The owner of the property at the time the land use change is initiated shall, within ninety (90) days, report the change to the property valuation administrator. The owner shall also provide to the property valuation administrator information concerning the most recent sale or lease of the property, copies of any appraisal or feasibility reports made, and any other information useful in determining the fair cash value of the property.