In any administrative or judicial proceeding under this chapter, other than a proceeding under paragraph (2)(C) of this subsection, a company may not be held to have had control over any given bank or company at any given time unless that company, at the time in question, directly or indirectly owned, controlled, or had power to vote 5 per centum or more of any class of voting securities of the bank or company, or had already been found to have control in a proceeding under paragraph (2)(C).