6 SHELBY COUNTY v. HOLDER Opinion of the Court 581; see Reno v. Bossier Parish School Bd., 528 U. S. 320, 341 (2000) (Bossier II); Georgia v. Ashcroft, 539 U. S. 461, 479 (2003). Section 5 now forbids voting changes with “any discriminatory purpose” as well as voting changes that diminish the ability of citizens, on account of race, color, or language minority status, “to elect their preferred candidates of choice.” 42 U. S. C. §§1973c(b)–(d). Shortly after this reauthorization, a Texas utility district brought suit, seeking to bail out from the Act’s coverage and, in the alternative, challenging the Act’s constitutionality. See Northwest Austin, 557 U. S., at 200–201. A three-judge District Court explained that only a State or political subdivision was eligible to seek bailout under the statute, and concluded that the utility district was not a political subdivision, a term that encompassed only “counties, parishes, and voter-registering subunits.” Northwest Austin Municipal Util. Dist. No. One v. Mukasey, 573 F. Supp. 2d 221, 232 (DC 2008). The District Court also rejected the constitutional challenge. Id., at 283. We reversed. We explained that “ ‘normally the Court will not decide a constitutional question if there is some other ground upon which to dispose of the case.’ ” Northwest Austin, supra, at 205 (quoting Escambia County v. McMillan, 466 U. S. 48, 51 (1984) (per curiam)). Concluding that “underlying constitutional concerns,” among other things, “compel[led] a broader reading of the bailout provision,” we construed the statute to allow the utility district to seek bailout. Northwest Austin, 557 U. S., at 207. In doing so we expressed serious doubts about the Act’s continued constitutionality. We explained that §5 “imposes substantial federalism costs” and “differentiates between the States, despite our historic tradition that all the States enjoy equal sovereignty.” Id., at 202, 203 (internal quotation marks omitted). We also noted that “[t]hings have changed in the South. Voter turnout and registration rates now approach parity.

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