Miss. Code § 61-3-37
All proposals or bids shall be submitted to the authority in a sealed envelope and subsequently opened publicly at the time and place stated in the notice of sale, and each bid shall be publicly announced at the time of opening of bids. A determination with respect to acceptance of a bid shall be made promptly after receipt of bids and, if a bid is accepted, a prompt award of the bonds or notes shall be made in writing to the successful bidder.
Bonds and notes shall be awarded to the bidder whose bid specifies the lowest maximum interest cost.
Any premium must be paid in bank funds as a part of the purchase price. Bids shall not contemplate the cancellation of any interest coupon or the waiver of interest or other concession by the bidder as a substitute for bank funds.
Miss. Code § 61-3-37