Exception for readily tradable instruments acquired through existing brokerage accounts
Subparagraph (B) of paragraph (2) shall not apply with respect to a readily tradable instrument which was acquired through an account with a broker if—
(A) such account was established before January 1, 1984 , and
(B) during 1983, such broker bought or sold instruments for the payee (or acted as a nominee for the payee) through such account.
The preceding sentence shall not apply with respect to any readily tradable instrument acquired through such account after the broker was notified by the Secretary that the payee is subject to withholding under subsection (a)(1)(C).