b. Notwithstanding the provisions of subsection a. of this section, a municipality which filed a housing element prior to the effective date of P.L. 1990, c.121, shall be permitted to petition for substantive certification at any time within two years following that filing, or within one year following the effective date of P.L. 1990, c.121, whichever shall result in permitting the municipality the longer period of time within which to petition.
The Council shall establish procedures for a realistic opportunity review at the midpoint of the certification period and shall provide for notice to the public.