Bids from vendors must be submitted in a sealed envelope on or before the date and time of opening. Bids will NOT be accepted by fax, email, or other transmissions.Bids received after date and time of opening will be returned to the vendor unopened. We are not responsible for U.S. mail. Postmarks do not validate the bid; we must have sealed envelope in hand before the deadline. If you are going to submit a bid, please make sure that you thoroughly read and follow the bid specifications as outlined. Please also take the time to read carefully the Guidelines outlined on our website.