Register for free on SIGMA VSS and start bidding on solicitations. The information below on this page will help you with your account setup.The Contract Connect website provides info to vendors interested in doing business with the State of Michigan. If appropriate, the submission must state whether the organization is licensed to operate in the State of Michigan. 2. Proposal Preparation Information. All Principal Investigators planning to submit a proposal should complete a Notice of Intent to Submit a Proposal form. The signature and title must match the person authorized to sign for the vendor company as specified in the vendor company's submitted proposal, bid or quote. After completing the form, select "Submit Form" to send it directly to Contract Services Division via e-mail. 3 copies of the proposal documents shall be submitted in a sealed envelope. How to fill out the Vendor Agreement for Services and Compliance?