; (B) if the appellant is seriously ill or is under severe financial hardship; or (C) for other sufficient cause shown. (c) Manner and scheduling of hearings for cases on board hearing option docket (1) For cases on the Board hearing option docket in which a hearing is requested in the notice of disagreement, the Board shall notify the appellant whether a Board hearing will be held— (A) at its principal location, or (B) by picture and voice transmission at a facility of the Department where the Secretary has provided suitable facilities and equipment to conduct such hearings. (2) (A) Upon notification of a Board hearing at the Board’s principal location as described in subparagraph (A) of paragraph (1), the appellant may alternatively request a hearing as described in subparagraph (B) of such paragraph. If so requested, the Board shall grant such request. (B) Upon notification of a Board hearing by picture and voice transmission as described in subparagraph (B) of paragraph (1), the appellant may alternatively request a hearing as described in subparagraph (A) of such paragraph. If so requested, the Board shall grant such request. (d) Screening of cases Nothing in this section shall be construed to preclude the screening of cases for purposes of— (1) determining the adequacy of the record for decisional purposes