No portion of a lot or parcel once used in complying with the provisions of this chapter for yards, lot area per family, density as for a development in the multiple-family district, or percentage of lot occupancy, in connection with an existing or proposed building or structure, shall again be used as part of the lot or parcel required in connection with any other building or structure existing or intended to exist at the same time.
(`73 Code, 15.327, § 5.124) (Ord. eff. 8-1-67; Am. Ord. passed 1973) Penalty, see § 154.999