In case the board of trustees shall at any time determine to establish a branch or department of said university at any points elected by them, such branch or department shall be under the control of the members of said board residing in the grand division and congressional district where said branch shall be located, unless otherwise ordered by said board of trustees: Provided, that no portion of the funds resulting from the congressional grant of land for the endowment of said University, or from any donation now or hereafter to be made by the county, city or town at or near which the University is located; and no portion of the interest or proceeds of either of said funds shall ever be applied to the support of any branch or department located outside of the county wherein said University is located by this act.
110 ILCS 305/3