Except as otherwise provided, the following procedures detailed in subpart B of this part shall apply to appeals of QC claims of less than $50,000: Sec. Sec. 283.5 Motion to Dismiss; 283.6 Answer; 283.8 Rebuttal or Amendment of Appeal or Answer; 283.9 Withdrawal of Appeal; 283.10 Consent Decision; 283.18 Motions and Requests; 283.19 ALJ's; 283.20 Review by the Judicial Officer; 283.21 Ex Parte Communications; 283.22 Filings; Service; Extensions of Time; and Computations of Time; and 283.23 Procedural Matters.