A Member, Approved Trader or Registered Representative shall not trade in contracts for its own accounts or for an account associated with or connected to that Member, Approved Trader or Registered Representative, if that Member, Approved Trader or Registered Representative also has in hand Customers' orders (including discretion orders) to do the same at the prevailing market price or at the same price. This Rule does not apply if:
(a) that Member, Approved Trader or Registered Representative has no access to the Customer's order flow information;
(b) the Customer has prescribed that the order be executed under specified conditions and the order cannot be executed by reason of those conditions; or
(c) the transaction is entered into in circumstances prescribed by MAS.
"Customer" as used in this Rule 3.4.13 does not include the Member's Approved Traders, Registered Representatives or Persons associated with or connected to the Member, Approved Trader or Registered Representative.