      When the level of trading activity in a stock is such that theExchange cannot collect, process, and disseminate quotes accurately, thespecialist, with Floor Official approval, may switch to "non-firm-mode" for30 minutes. When in the non-firm mode, it may not be possible fortransactions to be executed at the disseminated quotes. Specialists mayextend the non-firm mode beyond 30 minutes following a review by FloorOfficials.