Bids shall be delivered directly to
NIA at the place, date and time specified in the Notice of Bidding or in
any subsequent Supplemental Notice thereon. Delivery of bids by mail shall
be at the bidder's own risk, and the date and time of receipt of the bids
will be taken as that certified by NIA. Bids received otherwise will be
returned unopened. NIA will not be responsible for prematurely opened bids
which are not properly delivered in accordance with these provisions.