§ 5132.
(b)
To the extent the Secretary decides is necessary, the Secretary may use amounts received from depositors for refining bullion and the proceeds from the sale of byproducts (including spent acids from surplus bullion recovered in refining processes) to pay the costs of refining the bullion (including labor, material, waste, and loss on the sale of sweeps). The Secretary may not use amounts appropriated for the mints to pay those costs.
([Pub. L. 97–258], Sept. 13, 1982, [96 Stat. 988]; [Pub. L. 97–452, § 1(21)], Jan. 12, 1983, [96 Stat. 2477]; [Pub. L. 98–151, § 123], Nov. 14, 1983, [97 Stat. 979]; [Pub. L. 98–216, § 1(7)], Feb. 14, 1984, [98 Stat. 4]; [Pub. L. 99–61, title II, § 204], July 9, 1985, [99 Stat. 116]; [Pub. L. 99–185, § 2(e)], Dec. 17, 1985, [99 Stat. 1178]; [Pub. L. 100–274], §§ 1, 2(c)(3), Mar. 31, 1988, [102 Stat. 48]; [Pub. L. 101–585, § 2], Nov. 15, 1990, [104 Stat. 2874]; [Pub. L. 102–390, title II], §§ 211, 221(c)(1), 225(b)(3), (4), Oct. 6, 1992, [106 Stat. 1624], 1628, 1629; [Pub. L. 106–445, § 2(a)], Nov. 6, 2000, [114 Stat. 1931]; [Pub. L. 114–94, div. G, title LXXIII, § 73001(2)], Dec. 4, 2015, [129 Stat. 1786].)