Typically, negotiation is NOT ALLOWED in the Invitation for Bid solicitation method. (Emergency and only one bid response is the exception).Step 1: Fill out the form. Notices to the Contractor shall be sent to the address specified in the Contractor's Offer, or at such other address as a party may notify the other in writing. Proposers, who intend to subcontract, are responsible for identifying all areas that will be subcontracted.