A special permit for a specified use or for a modification of the use or bulk regulations granted under the provisions of this Resolution shall automatically lapse if substantial construction, in accordance with the plans for which such permit was granted, has not been completed within four years from the date of granting such permit by the Board of Standards and Appeals or, if judicial proceedings have been instituted to review the Board's decision, the four-year lapse period shall commence upon the date of entry of the final order in such proceedings, including appeals