Obtain and complete an application from your County Clerk's office. Submit the completed application to your County Clerk with the application fee.Step 1: Gather the following documents. Enter your legal name as shown on your Notary Commission, select the County where you are commissioned, and input your Commission and Expiration Date. The easiest way is to call or visit the county clerk's website for information on how to apply for a Tennessee notary commission. Complete an application form from your county clerk's office. View a list of the available Notary Public forms available from the California Secretary of State's office here. Meet the requirements.