; or a preference classification described in section 203(a). The review of the Board shall be made upon the record for decision of the consular officer, including all documents, notes, and memoranda filed with the consular officer, supplemented by affidavits and other writings if offered by the consular officer or alien. Upon a showing that the decision of the consular official is contrary to the preponderance of the evidence, the Board shall have authority to overrule, or remand for further consideration, the decision of such consular officer. (c) Procedure Proceedings before the Board shall be in accordance with such regulations, not inconsistent with this Act and sections 556 and 557 of title 5, United States Code, as the Secretary of State shall prescribe. Such regulations shall include requirements that provide that— (1) at the time of any decision of a consular officer under subsection (b), the interested party defined in subsection (d) shall be given notice of the availability of the review process and the necessary steps to request such review; (2) a written record of the proceedings and decision of the consular officer (in accordance with sections 556 and 557 of title 5, United States Code) shall be available to the Board, and on payment of lawfully prescribed costs, shall be made available to the alien; (3) upon receipt of request for review under this section, the Board shall, within 30 days, notify the consular officer with respect to whose decision review is sought, and, upon receipt of such notice, such officer shall promptly (but in no event more than 30 days after such receipt) forward to the Board the record of proceeding as described in subsection (b); (4) the appellant shall be given notice, reasonable under all the circumstances of the time and place at which the Board proceedings will be held; (5) the appellant may be represented (at no expense to the Government) by such counsel, authorized to practice in such proceedings, as the appellant shall choose