Where, after the effective date of this chapter, a curative amendment proposal is approved by the grant of a curative amendment application by the Borough Council pursuant to §
350-53B(4), Jurisdiction of the Borough Council: applications for curative amendment, or a validity challenge is sustained by the Zoning Hearing Board pursuant to §
350-53A(1), Jurisdiction of Zoning Hearing Board: substantive challenges to validity of land use ordinances, or the court acts finally on appeal from denial of a curative amendment proposal or a validity challenge, and the proposal or challenge so approved requires a further application for subdivision or land development, the developer shall have two years from the date of such approval to file an application for preliminary or tentative approval pursuant to Article
V, Subdivision and Land Development, or Article
VII, Planned Residential Development, of the Pennsylvania Municipalities Planning Code (Act 247, as amended). Within the two-year period, no subsequent change or amendment in zoning, subdivision or other governing ordinance or plan shall be applied in any manner which adversely affects the rights of the applicant as granted in the curative amendment or the sustained validity challenge. Upon the filing of the preliminary or tentative plan, the provisions of Section 508(4) of the Pennsylvania Municipalities Planning Code (Act 247, as amended) shall apply.