Article (21)
Alteration of Orders (Change Former Order-CFO)
A stockbroker may change the terms of an order already entered in BATS for the following reasons:
1- If the security, symbol, market or the order type (buy or sell) needs to be changed, the order must be cancelled and re-entered.2- If any of the following changes are effected, a new effective time stamp will be given to the order:(a) change in price;(b) increase in disclosed volume;(c) a change in the underlying client.3- If any of the following changes are effected, the order will keep its original effective time stamp:(a) decrease in disclosed volume.(b) changes in undisclosed volume.