; (B) the date that is the last day of the first regular session of the legislature of the State that begins after the date of the enactment of this Act; or (C) in the case of a State receiving a subsequent determination under subsection (a)(4), the date that is the last day of the first regular session of the legislature of the State that begins after the date the Authority made the determination. (2) Partial failure If the Authority makes a determination that a State does not substantially provide for the rights and responsibilities described in subsection (b) solely because the State law substantially provides for such rights and responsibilities for certain categories of public employees but not others, the Authority shall identify— (A) those categories of public employees that shall be subject to the regulations and procedures described in section 5, pursuant to section 8(b)(3), beginning on the applicable date under paragraph (1)