Whenever a zoning lot existing on December 15, 1961, or on any applicable subsequent amendment thereto, is divided by a boundary between districts with different bulk regulations, and the provisions of Sections 77-11 (Conditions for Application of Use Regulations to Entire Zoning Lot) or 77-211 (Conditions for application of bulk regulations to entire zoning lot) do not apply, the bulk regulations may apply as set forth in Sections 77-22 to 77-29, inclusive, relating to Bulk Regulations.