District may distribute the substitution(s) request to all bidders and change in the Bid price if accepted. c. Contractor must complete, sign and submit the Proposed Subcontractors Form included in the Technical.A purchasing entity's request for offers, including a telephone request for price quotations, an invitation for bids, or a request for proposals. Delays and extensions of time may be allowed in accordance with the provisions stated in the General Conditions. Provided and within the time period specified in the Invitation for Bids (IFB) or the Request for. Bidder is requested to fill out the Bid Form and attach a completed copy of the specifications ( Pages. 1-11) to the Bid Form. 8. Any relevant criteria specifically listed in the request for bids or proposals.