Complete Tennessee Notary Application. Obtain and complete an application from your County Clerk's office.The Knox County Clerk's Office authenticates and certifies notaries public for apostilles, applications for adoption, court action, and various other purposes. Please enter your legal name as shown on your Notary Commission, select the County where you are commissioned, and input your Commission and Expiration Date. You can now apply to be a Notary Public online. Another option is to download a Notary Public Application, or pick one up in the Clerk's Office. Government of Tamil Nadu - Law Department.