(a) Whenever at any time it appears that the parties are in agreement as to disposition of the controversy, the Board may suspend further processing of the appeal: Provided, however, That if the Board is advised thereafter by either party that the controversy has not been disposed of by agreement, the case shall be restored to the Board's active docket.

(b) The Board may in its discretion suspend proceedings to permit a contracting officer to issue a decision when an appeal has been taken from the contracting officer's failure to render a timely decision, or for other good cause.