This article and video will show Notaries to fill out each part of a notarial certificate, and common mistakes to avoid. Complete the online "Notary Application" on our Online Services page under "Notary Services.To become a notary public in multiple states, you must obtain a notary commission from each state. 1- Be 18 years of age or older. Step 1: Order Your Notary Bond and Supplies. Complete an Application for Michigan. Notary Public Commission. Step 1: Complete an online course and pass the quiz to obtain your certificate. How do I renew my Michigan notary commission? Free notary guide to become a Michigan notary.