21. a. Notwithstanding any provision of P.L.2000, c.72 (C.18A:7G-1 et al.) or P.L.2007, c.137 (C.52:18A-235 et al.) to the contrary, an SDA district as defined in section 3 of P.L.2000, c.72 (C.18A:7G-3) may include in its annual capital outlay budget and construct one or more school facilities projects if the commissioner, in consultation with the New Jersey Schools Development Authority, approves the inclusion of the project upon a demonstration by the district that its budget includes sufficient funds to finance the project. The commissioner's approval of the inclusion of the school facilities project in the district's annual capital outlay budget may also contain specific conditions including, but not limited to, a requirement that the district follow the design requirements and materials and system standards established by the development authority. A district may also withdraw funds from a capital reserve account for such purpose with the approval of the commissioner.
b. A school facilities project that is not financed and constructed pursuant to subsection a. of this section, shall continue to be financed and constructed in accordance with the provisions of P.L.2000, c.72 (C.18A:7G-1 et al.) and P.L.2007, c.137 (C.52:18A-235 et al.).