the physical or mental impairment on the basis of which such benefits are payable is found to have ceased, not to have existed, or to no longer be disabling, and

as a consequence of the finding described in subparagraph (B), such individual is determined by the Commissioner of Social Security not to be entitled to such benefits,

any reconsideration of the finding described in subparagraph (B), in connection with a reconsideration by the Commissioner of Social Security (before any hearing under paragraph (1) on the issue of such entitlement) of the Commissioner’s determination described in subparagraph (C), shall be made only after opportunity for an evidentiary hearing, with regard to the finding described in subparagraph (B), which is reasonably accessible to such individual. Any reconsideration of a finding described in subparagraph (B) may be made either by the State agency or the Commissioner of Social Security where the finding was originally made by the State agency, and shall be made by the Commissioner of Social Security where the finding was originally made by the Commissioner of Social Security. In the case of a reconsideration by a State agency of a finding described in subparagraph (B) which was originally made by such State agency, the evidentiary hearing shall be held by an adjudicatory unit of the State agency other than the unit that made the finding described in subparagraph (B). In the case of a reconsideration by the Commissioner of Social Security of a finding described in subparagraph (B) which was originally made by the Commissioner of Social Security, the evidentiary hearing shall be held by a person other than the person or persons who made the finding described in subparagraph (B).