CONTRACT DOCUMENTS: The complete contract includes all of the Contract Documents which are intended to be complimentary. Whether you are a new vendor with RCTC or an existing vendor, you must register your firm in order to receive contracting notifications.We suggest that you look to the next Request for Qualifications, Request for Proposals, or Notice Inviting. Notice of Inviting Bids. All Prospective Vendors submitting a bid must be subscribed to this bid on the City's bidding website prior to the bid opening.