How do I become a Notary Public in Mississippi? Answer: You must meet the following requirements: Be a Mississippi resident for more than 30 days.All Mississippi notary forms are interactive, so they can either be downloaded and printed or filled out online and then printed. Receive your pre-commission certificate from the Secretary via email. In Mississippi, you must complete an online notary application through the Mississippi Secretary of State's website. Here's how to become an online notary in Mississippi. Be commissioned as a traditional notary public. 1. Complete the Application for Notary Public Commission. 2. Get your application notarized. 3. Download the required Mississippi Notary Forms.