Erection, construction, reconstruction, alteration, or demolition work begun pursuant to a properly issued permit prior to a preliminary recommendation for landmark status shall not be subject to review by the commission unless such permit has expired, been canceled or revoked, or the work is not diligently proceeding to completion in accordance with the Chicago Building Code.
(Prior code § 21-78; Added Coun. J. 3-11-87, p. 40272; Amend Coun. J. 2-26-97, p. 40085)