They had set a deadline of noon today for interested parties to show proof of funds following yesterday's 5pm deadline for the submitting of offers.
KPMG adminstrator Richard Fleming said: "We are continuing to evaluate the expressions of interest received and will make a further announcement in due course.
"We appreciate that there is a great deal of interest in the outcome and will take our decision in the best interests of creditors to ensure the best future for the club."
Local property developer Simon Morris and London-based investment firm Redbus Group, headed by Simon Franks, have confirmed they submitted a joint bid, while Bates has also resubmitted his offer.
Former Hull City owner Adam Pearson and multi-millionaire internet entrepreneur Pete Wilkinson were also understood to be considering launching a takeover bid.
Pearson, a director at Leeds until 2001, has neither confirmed nor denied the speculation.