one of the corporations is a bank, chartered under State law and insured by the Federal Deposit Insurance Corporation, the voting securities of which are held only by persons who are officers of other banks, as permitted by State law, and which bank is primarily engaged in providing banking services for other banks and not the public:
Provided, however, That in no case shall the voting securities of such corporation be held by such officers of other banks in excess of 6 per centum of the paid-in capital and 6 per centum of the surplus of such a bank.
2
So in original. The period probably should be a semicolon.