Wherever all or some of the minimum number of parking spaces required for any particular use are dependent upon the number of employees on the premises or dependent upon the number of persons on the premises, the requirement shall in each such case be deemed to mean the number of employees or persons on the premises at the same time during the time when such number is at its peak (i.e., the peak shift in an industry or the peak time of day and week in a school, etc.). All applications for site plan approval shall state the total number of such persons for purposes of determining any applicable parking requirement. The occupancy thereafter issued, which number shall be the limit of the number of employees permitted on the premises at the same time. Use of the premises by a greater number of employees at the same time than the number specified in the site plan or certificate of occupancy shall be a violation of this Chapter.