This excerpt taken from the FITB DEF 14A filed Dec 8, 2008.
Who can vote?
December 4, 2008 has been fixed as the record date for the determination of shares entitled to notice of and to vote at the Special Meeting. You are entitled to vote if you are a holder of record of shares of the Companys Common Stock as of the close of business on December 4, 2008. Each eligible shareholder is entitled to one vote per share of Common Stock.