Notwithstanding any of the provisions of Section 11-33 (Building Permits for Minor or Major Development or Other Construction Issued Before Effective Date of Amendment), for the enlargement of a building which is the subject of Department of Buildings application number 121326742 filed on December 3, 2012, to create a single commercial development, such enlarged building shall not be subject to the height and setback regulations of Section 88-33, paragraph (b), and may continue, provided that a building permit has been issued for such commercial development within two years of March 20, 2013. In addition, should the zoning lot which is the subject of the above-referenced Department of Buildings application merge with an adjacent zoning lot containing wide street frontage on Sixth Avenue, such a zoning lot merger and the subsequent combining of adjacent buildings shall not be deemed to create a new non-compliance, nor an increase in the degree of non-compliance in regards to Section 88-33, paragraph (b)(4), (Maximum length of street wall).