HERE
brings up the 1997 story tying Kerry to Chung:
"According to a report published Wednesday in The Los Angeles Times, Chung, a California businessman, reimbursed his employees for contributing to Kerry's campaign at a reception he held for the senator at a California hotel in September 1996. Kerry, a Democrat, was on a western fund-raising tour for his hard-fought re-election fight against William Weld, who was then governor of Massachusetts.
Under federal election law, it is illegal to give money to a campaign in the name of someone else. "