The Contract Connect website provides info to vendors interested in doing business with the State of Michigan. Interested in bidding on contracts and selling your goods or services to the State of Michigan?The first step is to register as a vendor. The answer is yes online agreements can be legally binding, provided they meet the necessary legal requirements. 1. Identify the Buyer and Seller details. Michigan Assignment Agreement Template. An Assignment Agreement is an effective legal document for transferring contractual obligations. It provides detailed instructions for filling out a land contract between the vendor and purchaser. Description of Property. Seller agrees to sell to Buyer and Buyer agrees to purchase from Seller certain improved real property commonly known as.