except that this subparagraph shall cease to apply to any institution which permits any overdraft (including any intraday overdraft), or which incurs any such overdraft in such institution’s account at a Federal Reserve bank, on behalf of an affiliate if such overdraft is not the result of an inadvertent computer or accounting error that is beyond the control of both the institution and the affiliate, or that is otherwise permissible for a bank controlled by a company described in section
1843
(f)(1) of this title.