BUCKLEY v. VALEO Per Curiam A restriction on the amount of money a person or group can spend on political communication during a campaign necessarily reduces the quantity of expression by restricting the number of issues discussed, the depth of their exploration, and the size of the audience reached. 8 This is because virtually every means of communicating ideas in today's mass society requires the expenditure of money. The distribution of the humblest handbill or leaflet entails printing, paper, and circulation costs. Speeches and rallies generally necessitate hiring a hall and publicizing the event. The electorate's increasing dependence on television, radio, and other mass media for news and information has made these expensive modes of communication indispensable instruments of effective political speech. The expenditure limitations contained in the Act represent substantial rather than merely theoretical restraints on the quantity and diversity of political speech. The $1,000 ceiling on spending "relative to a clearly identified candidate," 18 U. S. C. § 608 (e)(1) (1970 ed., Supp. IV), would appear to exclude all citizens and groups except candidates, political parties, and the institutional press 19 from any significant use of the most 1s Being free to engage in unlimited political expression subject to a ceiling on expenditures is like being free to drive an automobile as far and as often as one desires on a single tank of gasoline. 19 Political parties that fail to qualify a candidate for a position on the ballot are classified as "persons" and are subject to the $1,000 independent expenditure ceiling. See 18 U. S. C. §§ 591 (g), (i), 608 (e) (1), (f) (1970 ed., Supp. IV). Institutional press facilities owned or controlled by candidates or political parties are also subject to expenditure limits under the Act. See 18 U. S. C. §§ 591 (f) (4) (A), 608 (c) (2) (B), (e) (1) (1970 ed., Supp. IV). Unless otherwise indicated all subsequent statutory citations in Part i of this opinion are to Title 18 of the United States Code, 1970 edition, Supplement IV.

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