Unless set aside, limited or suspended by order of the Commission, a court of competent jurisdiction, or a hearing officer acting pursuant to Sec. 201.531, an order suspending a registration shall remain effective and enforceable until the earlier of:
(a) The completion of the proceedings whether the registration shall be permanently revoked; or
(b) 180 days, or such longer time as consented to by the respondent, after issuance of a briefing schedule order pursuant to Sec. 201.540(b), if an initial decision whether the registration shall be permanently revoked is appealed.