The bid and all addenda submitted by the bidder by facsimile or any other means must be signed. The original bid must be signed by a person authorized by the bidder's company to do so. Typewritten or stamped signatures are not acceptable. The person signing must include his or her title, and if requested, must verify his or her authority to bind the company to a bid and contract. Failure to sign the face of the bid in the space provided will result in rejection of the bid unless the unsigned bid is accompanied by other signed documents indicating the bidder's intent to be bound.