In the event that streets are mapped on Parcels 1, 2, 3 and 4 in the Core Subdistrict after June 30, 2009, and on any Parcel in the South Subdistrict after December 11, 2017, as shown on Map 1 in the Appendix to this Chapter, the area within such streets may continue to be considered part of the zoning lot for the purposes of applying floor area regulations of this Zoning Resolution.