17 CFR § 5.22 - Registered futures association membership.

(a) Each person registered as a retail foreign exchange dealer must become and remain a member of at least one futures association that is registered under section 17 of the Act and that provides for the membership therein of such retail foreign exchange dealer.

(b) Each person required to register as:

(1) An introducing broker, because the person solicits or accepts orders for retail forex transactions;

(2) A commodity pool operator because the person operates, or solicits funds, securities, or property for, a pooled investment vehicle that engages in retail forex transactions; or

(3) A commodity trading advisor because the person exercises discretionary trading authority, or obtains written authorization to exercise discretionary trading authority over, an account in connection with retail forex transactions, must become and remain a member of at least one futures association that is registered under section 17 of the Act and that provides for the membership therein of such person.