(a) Set margin levels in any securities or futures contract or class of securities or futures contracts to cater for the emergency;

(b) Set limits that may apply to market positions acquired in good faith prior to the date of the notice issued by the CBB; or

(c) Take such action as the CBB may deem fit to maintain or restore orderly trading in any securities or futures contracts or class of securities or futures contracts, or liquidation of any position in respect of any securities or futures contract or class of securities or futures contracts.