member
(3) (A) The term “member” when used with respect to a national securities exchange means (i) any natural person permitted to effect transactions on the floor of the exchange without the services of another person acting as broker, (ii) any registered broker or dealer with which such a natural person is associated, (iii) any registered broker or dealer permitted to designate as a representative such a natural person, and (iv) any other registered broker or dealer which agrees to be regulated by such exchange and with respect to which the exchange undertakes to enforce compliance with the provisions of this chapter, the rules and regulations thereunder, and its own rules. For purposes of sections 78f(b)(1) , 78f(b)(4) , 78f(b)(6) , 78f(b)(7) , 78f(d) , 78q(d) , 78s(d) , 78s(e) , 78s(g) , 78s(h) , and 78u of this title , the term “member” when used with respect to a national securities exchange also means, to the extent of the rules of the exchange specified by the Commission, any person required by the Commission to comply with such rules pursuant to section 78f(f) of this title . (B) The term “member” when used with respect to a registered securities association means any broker or dealer who agrees to be regulated by such association and with respect to whom the association undertakes to enforce compliance with the provisions of this chapter, the rules and regulations thereunder, and its own rules.