An owner or operator satisfying the requirements of subsection (a) shall be granted an extension of the emission limitation requirement compliance date for that unit from
January 1, 2000, to
December 31, 2003. The extension shall be specified in the permit issued to the source under
section 7651g of this title, together with any compliance schedule and other requirements necessary to meet second phase requirements by the extended date. Any unit that is granted an extension under this section shall not be eligible for a waiver under
section 7411(j) of this title, and shall continue to be subject to requirements under this subchapter as if it were a unit subject to
section 7651d of this title.