(620 ILCS 5/41) (from Ch. 15 1/2, par. 22.41)
    Sec. 41. The Department shall not expend any funds appropriated, or made available, by this State for the planning, acquisition, construction, reconstruction, extension, development, improvement, operation and maintenance of air navigation facilities within this State upon any project which is not included in the State airport plan or in the State airways system, as prepared or revised from time to time by the Department, or for any work upon any such project that is not contracted for and constructed or developed under the supervision or direction of the Department or such other department, agency, officer or employee of this State as the Department may designate for such purpose.
(Source: P.A. 82-978.)