Any person engaged in the business of storing or towing motor vehicles in either a private capacity or for the city who has substantially complied with the requirements of § 72.21 shall have a lien on the motor vehicle for the reasonable or agreed charges for storing or towing the vehicle as long as it remains in his possession.  If after a period of 45 days, the reasonable or agreed charges for storing or towing a motor vehicle have not been paid, the motor vehicle may be sold to pay the charges after the owner has been notified by certified mail ten days prior to the time and place of the sale.  Should the proceeds of the sale of any vehicle pursuant to this section be insufficient to satisfy accrued charges for towing, transporting, and/or storage, said sale and collection of proceeds shall not constitute a waiver or release of responsibility for payment of unpaid towing, transporting, and/or storage charges by the owner or responsible casualty insurer of the vehicle.  This lien shall be subject to prior recorded liens. 
(KRS 376.275(3))