Buckley v. Valeo, 424 U.S. 1 (1976), was a landmark decision of the US Supreme Court on campaign finance. A majority of justices held that, as provided by section 608 of the Federal Election Campaign Act of 1971, limits on election expenditures 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