49 U.S.C. § 11501
(a) In this section—
(b) The following acts unreasonably burden and discriminate against interstate commerce, and a State, subdivision of a State, or authority acting for a State or subdivision of a State may not do any of them:
(c) Notwithstanding section 1341 of title 28 and without regard to the amount in controversy or citizenship of the parties, a district court of the United States has jurisdiction, concurrent with other jurisdiction of courts of the United States and the States, to prevent a violation of subsection (b) of this section. Relief may be granted under this subsection only if the ratio of assessed value to true market value of rail transportation property exceeds by at least 5 percent the ratio of assessed value to true market value of other commercial and industrial property in the same assessment jurisdiction. The burden of proof in determining assessed value and true market value is governed by State law. If the ratio of the assessed value of other commercial and industrial property in the assessment jurisdiction to the true market value of all other commercial and industrial property cannot be determined to the satisfaction of the district court through the random-sampling method known as a sales assessment ratio study (to be carried out under statistical principles applicable to such a study), the court shall find, as a violation of this section—
(Added Pub. L. 104–88, title I, § 102(a), , 109 Stat. 843.)
Provisions similar to those in this section were contained in section 11503 of this title prior to the general amendment of this subtitle by Pub. L. 104–88, § 102(a).
A prior section 11501, Pub. L. 95–473, , 92 Stat. 1444; Pub. L. 96–448, title II, § 214(a)–(c)(1), , 94 Stat. 1913, 1915; Pub. L. 97–261, § 17(a), , 96 Stat. 1117; Pub. L. 99–521, § 11(a), , 100 Stat. 2997; Pub. L. 103–272, § 4(j)(34), , 108 Stat. 1370; Pub. L. 103–305, title VI, § 601(c), , 108 Stat. 1606; Pub. L. 103–311, title II, § 211(b)(2), , 108 Stat. 1689, related to Interstate Commerce Commission authority over intrastate transportation, prior to the general amendment of this subtitle by Pub. L. 104–88, § 102(a). See section 14501 of this title.
Section effective , except as otherwise provided in Pub. L. 104–88, see section 2 of Pub. L. 104–88, set out as a note under section 1301 of this title.