(a) The Barber Vintage Motorsports Museum, hereinafter referred to as the Barber Museum, is exempted from paying any state, county, and municipal sales and use taxes with respect to tangible personal property purchased solely for display as a museum exhibit primarily within the confines of the museum property.
(b) All personal property owned by and all real property leased to the Barber Museum by the City of Birmingham and improvements thereon, at such time as the leased real property may be purchased by the Barber Museum, and all improvements made subsequent to the purchase, are hereby or shall upon their purchase be exempted from any state, county, and local ad valorem taxation. Provided, however, this exemption shall not apply to any portion of the property that is not used in connection with the organization's museum or motorsports park operations, or that may be sold to any third party, or that may be leased to any third party for any purpose not connected with the museum or motorsports park operations, nor shall it apply to any real property purchased after July 1, 2006, and added to the Barber Museum complex, except as described herein, nor to any other property owned by the Barber Museum.