Obtain and complete an application from your County Clerk's office. Submit the completed application to your County Clerk with the application fee.Complete an application form from your county clerk's office. Enter your legal name as shown on your Notary Commission, select the County where you are commissioned, and input your Commission and Expiration Date. To qualify for a public office a person must be at least eighteen (18) years of age and be in compliance with Tennessee Code Annotated (TCA 8-18-101). All. Contact county for application. Once approved, send your commission letter to the NNA via email or fax (800-833-1211) to receive your bond. Complete Tennessee Notary Application. Application must be notarized. There is a 2-step overall application process in Tennessee (with slight variations possible in certain counties): FILE APPLICATION, PRESENT PROOF OF BOND.