The undivided interest of any tenant in common or coparcener of any seated lands in this Commonwealth shall not be sold, or title thereto be divested by any treasurer's or sheriff's sale, for the failure of any of said tenants in common or coparceners to pay their pro rata share of the taxes assessed against said land, if such tenant in common or coparcener has paid to the proper collector of taxes his or her proportionate amount of taxes chargeable against such land; and the sale of such lands shall divest and pass title to such undivided shares or interest only in such land as is held by such persons who have failed or neglected to pay their proportionate part of such taxes.
72 P.S. § 5968