1. Appeals, How Taken
(a) Notice of an appeal shall be in writing and mailed or otherwise furnished to the Board within 90 days from the date of receipt of a contracting officer's decision. A copy thereof shall be furnished to the contracting officer from whose decision the appeal is taken.
(b) Where the contractor has submitted a claim of $50,000 or less to the contracting officer and has requested a written decision within 60 days from receipt of the request, and the contracting officer has not done so, the contractor may file a notice of appeal as provided in subparagraph (a) above, citing the failure of the contracting officer to issue a decision.
(c) Where the contractor has submitted a properly certified claim over $50,000 to the contracting officer or has requested a decision by the contracting officer which presently involves no monetary amount pursuant to the Disputes clause, and the contracting officer has failed to issue a decision within a reasonable time, taking into account such factors as the size and complexity of the claim, the contractor may file a notice of appeal as provided in subparagraph (a) above, citing the failure of the contracting officer to issue a decision.
(d) Upon docketing of appeals filed pursuant to (b) or (c) hereof, the Board may, at its option, stay further proceedings pending issuance of a final decision by the contracting officer within such period of time as is determined by the Board.
(e) In lieu of filing a notice of appeal under (b) or (c) hereof, the contractor may request the Board to direct the contracting officer to issue a decision in a specified period of time, as determined by the Board, in the event of undue delay on the part of the contracting officer.