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Rh Rh A party invoking the Court's authority has a sufficient stake to permit it to appeal when it has suffered an injury in fact' that is caused by 'the conduct complained of' and that 'will be redressed by a favorable decision. Camreta v. Greene, 563 U.S. ___, ___ (2011) (slip op., at 5) (quoting Lujan v. Defenders of Wildlife, 504 U.S. 555, 560–561 (1992)). In the present case, the House of Representatives, which has authorized BLAG to represent its interests in this matter, suffered just such an injury.

In INS v. Chadha, 462 U.S. 919 (1983), the Court held that the two Houses of Congress were "proper parties" to file a petition in defense of the constitutionality of the one-house veto statute, id., at 930, n. 5 (internal quotation marks omitted). Accordingly, the Court granted and decided petitions by both the Senate and the House, in addition to the Executive’s petition. Id., at 919, n. *. That the two Houses had standing to petition is not surprising: The Court of Appeals' decision in Chadha, by holding the one-house veto to be unconstitutional, had limited Congress' power to legislate. In discussing Article III standing, the Court suggested that Congress suffered a similar injury whenever federal legislation it had passed was struck down, noting that it had "long held that Congress is the proper party to defend the validity of a statute when an agency of government, as a defendant charged with enforcing the statute, agrees with plaintiffs that the statute is inapplicable or unconstitutional." Id., at 940.

The United States attempts to distinguish Chadha on