Select "Current Bidding Opportunities" for the bids and proposals currently being solicited and the corresponding closing dates for each. Bidder shall complete and sign the Bid Submission Document Checklist and include it in the bid submission.Bids shall be made upon the Standard Proposal Form. Any bid guarantee required will be so specified in the bid documents for that item. It must be completed, and the bidder must initial each entry on the Bid Document Check List, and submit it as part of the bid proposal. Bystep guide to understanding the bidding process, along with tips on submitting a successful bid.