6190. Compliance with Regulation NMS Plan to Address Extraordinary Market Volatility
A member that is a trading center in an NMS Stock shall establish, maintain and enforce written policies and procedures that are reasonably designed to comply with the requirements of the Regulation NMS Plan to Address Extraordinary Market Volatility (Plan) and specifically to prevent:
(a) the execution of trades at prices that are below the Lower Price Band or above the Upper Price Band for an NMS Stock, except as permitted under the Plan;