<Tr> <Th_colspan="2"> Laws applied </Th> </Tr> <Tr> <Td_colspan="2"> U.S. Const . amend . I, Article II, Sec. 2, cl. 2 </Td> </Tr> <P> Buckley v. Valeo, 424 U.S. 1 (1976), is a U.S. constitutional law Supreme Court case on campaign finance . A majority of judges held that limits on election spending in the Federal Election Campaign Act of 1971 § 608 are unconstitutional . In a per curiam (by the Court) opinion, they ruled that expenditure limits contravene the First Amendment provision on freedom of speech because a restriction on spending for political communication necessarily reduces the quantity of expression . It limited disclosure provisions and limited the Federal Election Commission's power . Justice Byron White dissented in part and wrote that Congress had legitimately recognized unlimited election spending "as a mortal danger against which effective preventive and curative steps must be taken". </P> <P> Buckley v. Valeo was extended by the U.S. Supreme Court in further cases, including in the five to four decision of First National Bank of Boston v. Bellotti and in Citizens United v. Federal Election Commission in 2010 . The latter held that corporations may spend from their general treasuries during elections . In 2014, McCutcheon v. Federal Election Commission held that aggregate limits on political giving by an individual are unconstitutional . </P>

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