((a)) The Secretary of the Treasury may issue United States currency notes. The notes—

((1)) are payable to bearer; and

((2)) shall be in a form and in denominations of at least one dollar that the Secretary prescribes.

((b)) The amount of United States currency notes outstanding and in circulation—

((1)) may not be more than $300,000,000; and

((2)) may not be held or used for a reserve.