The auditors also concluded that 37 Democratic issue ads that prominently featured Mr. Clinton "appeared to convey electioneering messages."

"I think people will stand up and take notice," said Mr. Pederson, whose campaign collected $500,000 at a recent event featuring Mr. Clinton.

(Republicans, by contrast, have not featured Mr. Clinton, who is fairly popular in this state.)

The Lieberman campaign is trying to build momentum off the visit, releasing television advertisements and automated phone calls to voters featuring Mr. Clinton.

The advertisements were created by the President's campaign consultants and prominently featured Mr. Clinton.

These advertisements featured both Mr. Clinton and Mr. Dole prominently, even though they were ostensibly generic, party advertisements.

Earlier in the week, television and radio stations began broadcasting several new Kerry advertisements paid for by Democrats and Democratic-leaning groups, some featuring Mr. Clinton.

Its most potent footage features Mr. Clinton at a Houston fund-raising event last fall as he backed away from the tax increases in the 1993 deficit-reduction plan.

Featuring Mr. Clinton - but not those magic words, "vote for" - the strategists were able to pay for the commercials with Democratic Party money.

(Republicans, in turn, featured Mr. Clinton in their ads.)