330.4—Guaranty given to the United States.
By the act of paying or presenting to a designated Federal Reserve Bank, for payment or exchange, a security on which it has affixed the special endorsement, a payment agent shall be deemed to have:
(a)
Unconditionally guaranteed to the United States the validity of the transaction, including the identification of the owner and the disposition of the proceeds or the new bonds, as the case may be, in accordance with the presenter's instruction;
(b)
Assumed complete and unconditional liability to the United States for any loss which may be incurred by the United States as a result of the transaction; and
(c)
Unconditionally agreed to make prompt reimbursement for the amount of any loss, upon request of the Department of the Treasury.