§ 7430.
(a)
In general
In any administrative or court proceeding which is brought by or against the United States in connection with the determination, collection, or refund of any tax, interest, or penalty under this title, the prevailing party may be awarded a judgment or a settlement for—
(1)
reasonable administrative costs incurred in connection with such administrative proceeding within the Internal Revenue Service, and
(2)
reasonable litigation costs incurred in connection with such court proceeding.
(Added [Pub. L. 97–248, title II, § 292(a)], Sept. 3, 1982, [96 Stat. 572]; amended [Pub. L. 98–369, div. A, title VII, § 714(c)], July 18, 1984, [98 Stat. 961]; [Pub. L. 99–514, title XV, § 1551(a)]–(g), Oct. 22, 1986, [100 Stat. 2752], 2753; [Pub. L. 100–647, title I, § 1015(i)], title VI, § 6239(a), Nov. 10, 1988, [102 Stat. 3571], 3743; [Pub. L. 104–168, title VII], §§ 701(a)–(c)(2), 702(a), 703(a), 704(a), July 30, 1996, [110 Stat. 1463], 1464; [Pub. L. 105–34, title XII, § 1285(a)]–(c), title XIV, § 1453(a), Aug. 5, 1997, [111 Stat. 1038], 1055; [Pub. L. 105–206, title III, § 3101(a)]–(e), title VI, §§ 6012(h), 6014(e), July 22, 1998, [112 Stat. 727], 728, 819, 820; [Pub. L. 106–554, § 1(a)(7) [title III, § 319(25)]], Dec. 21, 2000, [114 Stat. 2763], 2763A–647; [Pub. L. 115–97, title I, § 11002(d)(1)(SS)], Dec. 22, 2017, [131 Stat. 2061]; [Pub. L. 115–141, div. U, title IV, § 401(a)(325)(A)], Mar. 23, 2018, [132 Stat. 1199]; [Pub. L. 116–25, title I, § 1001(b)(1)(H)], (2), July 1, 2019, [133 Stat. 985].)