Exception for existing accounts, etc.
This subsection and subsection (a)(1)(D) shall not apply to any reportable interest or dividend payment which is paid or credited—
(A) in the case of interest or any other amount of a kind reportable under section 6049, with respect to any account (whatever called) established before January 1, 1984 , or with respect to any instrument acquired before January 1, 1984 ,
(B) in the case of dividends or any other amount reportable under section 6042, on any stock or other instrument acquired before January 1, 1984 , or
(C) in the case of patronage dividends or other amounts of a kind reportable under section 6044, with respect to any membership acquired, or contract entered into, before January 1, 1984 .