Nothing in Sections 40 and 45 shall relieve any owner liable for delinquent mobile home taxes under the Mobile Home Local Services Tax Act from the payment of any delinquent taxes or liens which have become null and void under those Sections.
Sections 45 and 50 shall not adversely affect the rights or interests of the holder of any bona fide certificate of purchase of the mobile home for delinquent taxes. However, upon acquisition of a mobile home by a governmental unit as set forth in Section 40, the rights and interests of the holder of any bona fide certificate of purchase of the mobile home for delinquent taxes shall be limited to a sale in error and a refund as provided under Section 255.
35 ILCS 516/50