Justice Harry Blackmun wrote that the First Amendment "should prevent states from prohibiting advertisements of products or conduct that is clearly legal at the place advertised."

Likewise, states retain the power to prohibit false or deceptive advertisements.

As for concerns that the bill would limit competition, Mr. Waxman said the bill would not eliminate tobacco ads but would focus on prohibiting advertisements that were aimed at children.

A federal statute prohibits mailing lottery tickets, advertisements, or payments to purchase tickets in a foreign lottery.

So last month a new township ordinance went into effect, regulating garage sales and reinforcing an 1897 law prohibiting handbills or advertisements on trees or utility poles.

Chinese government regulations prohibit advertisements from showing patients or symptoms - critical elements for a pharmaceutical commercial.

The issue ads were thinly veiled Clinton-Gore spots that critics said violated a federal law prohibiting party-financed advertisements that advocate election of a specific candidate.

The N.F.L. has long had a policy that prohibits gambling-related advertisements during televised games.

The publication of The Azad was prohibited in 1949 when editorial content turned against the government, which responded by prohibiting advertisements in the paper.

However, in October the Commission also enquired about national legislation in Austria, which prohibits advertisements from casinos licensed and operating in other Member States.