Commonwealth Edison Co. v. Montana

Commonwealth Edison Company v. Montana
Supreme Court of the United States
Argued March 30, 1981 Decided July 2, 1981
Full case name	Commonwealth Edison Company, et al. v. Montana, et al.
Citations	453 U.S. 609 (more) 101 S. Ct. 2946; 69 L. Ed. 2d 884; 1981 U.S. LEXIS 43; 40 P.U.R.4th 159; 70 Oil & Gas Rep. 182
Case history
Prior	Commonwealth Edison Co. v. State, 189 Mont. 191, 615 P.2d 847 (Mont. 1980); probable jurisdiction noted, 449 U.S. 1033 (1980).
Subsequent	Rehearing denied, 453 U.S. 927 (1981).
Holding
The Montana severance tax does not violate the Commerce Clause or the Supremacy Clause.
Court membership
Chief Justice Warren E. Burger Associate Justices William J. Brennan Jr. · Potter Stewart Byron White · Thurgood Marshall Harry Blackmun · Lewis F. Powell Jr. William Rehnquist · John P. Stevens
Case opinions
Majority	Marshall, joined by Burger, Brennan, Stewart, White, Rehnquist
Concurrence	White
Dissent	Blackmun, joined by Powell, Stevens
Laws applied
U.S. Const. art. VI, U.S. Const. art. 1, § 8

Commonwealth Edison Co. v. Montana, 453 U.S. 609 (1981), is a 6-to-3 ruling by the Supreme Court of the United States that held that a severance tax in Montana does not violate the Commerce Clause or the Supremacy Clause of the United States Constitution.^[1][2]