A look at some provisions in the campaign finance law upheld Wednesday by the Supreme Court.
_Prohibits national political parties from raising unregulated "soft money," including donations of any size from corporations and unions and unlimited contributions from any source.
_Bans the solicitation of soft money by federal candidates and officeholders for federal campaigns.
_Restricts election-time political ads by special-interest groups and others, including a ban on such ads mentioning federal candidates in those candidates' districts in the month before a primary election and within two months of a general election.