If the commission finds that the proposed work will not adversely affect any significant historical or architectural feature of the improvement or of the district, and is in accord with the Standards for Rehabilitation set forth by the United States Secretary of the Interior at 36 C.F.R. 67, as amended from time to time, as well as the commission's published procedures, the commission shall issue a preliminary approval of the application. Upon receipt of the commission's preliminary approval, the appropriate city department shall proceed in its usual manner with its own review of the application. No substantial change shall be made to the work proposed in the application for the permit after approval by the commission without resubmittal to the commission and approval thereof in the same manner as for the original application.
(Prior code § 21-80; Added Coun. J. 3-11-87, p. 40272)