Tenn. Code Ann. § 59-8-409

Upon the basis of a complete mining application and reclamation plan as required, including public notification and the opportunity for public comment and a public hearing, the commissioner shall grant, require modification of, or deny the application for a permit in not less than thirty (30) days nor more than sixty (60) days, and notify the applicant in writing. The applicant for a permit shall have the burden of establishing that the application is in compliance with all the requirements of the program.