(65 ILCS 5/11-78-2) (from Ch. 24, par. 11-78-2)
    Sec. 11-78-2. If any real estate conveyed by virtue of Section 11-78-1 ceases at any time to be used for school purposes for a period of 3 years, the school officers, holding the title to the real estate, shall convey the real estate back to the grantor municipality to be by it thereafterwards held, enjoyed, and disposed of as other corporate property. A provision expressing this condition shall be inserted in every deed made by a municipality under Section 11-78-1. Such a reconveyance may be compelled and enforced by any taxpayer of the grantor municipality by proper proceedings to be instituted by him for that purpose.
(Source: Laws 1961, p. 576.)