If a bank is required by the laws of the Commonwealth to furnish or deposit a surety bond or securities as security for the payment of any funds deposited in the bank, other than funds received or held in the trust department of the bank awaiting investment or distribution, the amount of the penalty of such bond or the amount of such securities shall be as required by law, less the amount of such deposit that, to the satisfaction of the body, officer, or other person responsible for seeing that a surety bond or amount of securities is furnished as security for such deposit, is insured under the provisions of § 12-b of the Federal Reserve Act, as amended, or any amendments thereto.