(a) Amounts to pay necessary expenses (including rent) for an issue of obligations authorized under this chapter are appropriated to the Secretary of the Treasury. However, the amount appropriated under this section may not be more than
(1) .2 percent of the amount of bonds and notes authorized under this chapter;
(2) .1 percent of the amount of certificates of indebtedness authorized under section
3104 of this title; and
(3) .1 percent of the amount of certificates of indebtedness authorized under the First Liberty Bond Act.