BUCKLEY v. VALEO Syllabus 1. This litigation presents an Art.. III "case or controversy," since the complaint discloses that at least some of the appellants have a sufficient "personal stake" in a determination of the constitutional validity of each of the challenged provisions to present "a real and substantial controversy admitting of specific relief through a decree of a conclusive character, as distinguished from an opinion advising what the law would be upon a hypothetical state of facts." Aetna Life Ins. Co. v. Haworth, 300 U. S. 227, 241. Pp. 11-12. 2. The Act's contribution provisions are constitutional, but the expenditure provisions violate the First Amendment. Pp. 12-59. (a) The contribution provisions, along with those covering disclosure, are appropriate legislative weapons against the reality or appearance of improper influence stemming from the dependence of candidates on large campaign contributions, and the ceilings imposed accordingly serve the basic governmental interest in safeguarding the integrity of the electoral process without directly impinging upon the rights of individual citizens and candidates to engage in political debate and discussion. Pp. 23-38. (b) The First Amendment requires the invalidation of the Act's independent expenditure ceiling, its limitation on a candidate's expenditures from his own personal funds, and its ceilings on overall campaign expenditures, since those provisions place substantial and direct restrictions on the ability of candidates, citizens, and associations to engage in protected political expression, restrictions that the First Amendment cannot tolerate. Pp. 39-59. 3. The Act's disclosure and recordkeeping provisions are constitutional. Pp. 60-84. (a) The general disclosure provisions, which serve substantial governmental interests in informing the electorate and preventing the corruption of the political process, are not overbroad insofar as they apply to contributions to minor parties and independent candidates. No blanket exemption for minor parties is warranted since such parties in order to prove injury as a result of application to them of the disclosure provisions need show only a reasonable probability that the compelled disclosure of a party's contributors' names will subject them to threats, harassment, or reprisals in violation of their First Amendment associational rights. Pp. 64-74. (b) The provision for disclosure by those who make inde-

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