§ 4121.
(b)
Determination of rates and limitation on tax
For purposes of subsection (a)—
(1)
the rate of tax on coal from underground mines shall be $1.10,
(2)
the rate of tax on coal from surface mines shall be $.55, and
(3)
the applicable percentage shall be 4.4 percent.
(Added [Pub. L. 95–227, § 2(a)], Feb. 10, 1978, [92 Stat. 11]; amended [Pub. L. 97–119, title I, § 102(a)], Dec. 29, 1981, [95 Stat. 1635]; [Pub. L. 99–272, title XIII, § 13203(a)], (c), Apr. 7, 1986, [100 Stat. 312], 313; [Pub. L. 99–514, title XVIII, § 1897(a)], Oct. 22, 1986, [100 Stat. 2941]; [Pub. L. 100–203, title X, § 10503], Dec. 22, 1987, [101 Stat. 1330–446]; [Pub. L. 110–343, div. B, title I, § 113(a)], Oct. 3, 2008, [122 Stat. 3824]; [Pub. L. 116–94, div. Q, title I, § 105(a)], Dec. 20, 2019, [133 Stat. 3228]; [Pub. L. 116–260, div. EE, title I, § 149(a)], Dec. 27, 2020, [134 Stat. 3056]; [Pub. L. 117–169, title I, § 13901(a)], Aug. 16, 2022, [136 Stat. 2013].)