Register for free on SIGMA VSS and start bidding on solicitations. The information below on this page will help you with your account setup.Michigan Vendor Agreement Template is a legal document. This page is a forecasting tool for vendors to anticipate and prepare for upcoming bids. We'll help you craft the best vendor contract agreement for your specific needs, and help you manage that relationship as long as you need it. An exclusive vendor agreement protects vendors and their customers from working with a competitor and both sells a service or product in a specified market. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. Thoroughly examine all business contracts and agreements, including leases, supplier contracts, and partnership agreements. To get a resale certificate in Michigan, you will need to fill out the Michigan Sales and Use Tax Certificate of Exemption (Form 3372). Michigan's high court found an automotive Tier 1 supplier's purchase order contract unenforceable to compel future production from its supplier.