Tennessee Code Title 62. Professions, Businesses and Trades § 62-3-124

(1)(A)(i) Files an application with the board in the form that the board may prescribe, accompanied by the examination fee required by § 62-3-129;

(ii) Holds a valid certificate of registration as a master barber and has been duly registered as a master barber for a period of at least three (3) consecutive years prior to filing an application to be an instructor;

(iii) Has completed the twelfth grade in an accredited school or the equivalent;

(iv) Completes an examination prescribed by the board; and

(v) For all applications submitted on or after July 1, 2017, completes a three-hundred-hour instructor training program at a board-certified barber school;

(B)(i) Files an application with the board on or before June 30, 2017, in a form prescribed by the board, accompanied by the examination fee required by § 62-3-129;

(ii) Holds a valid certificate of registration as a master barber and has completed a four-hundred-fifty-hour instructor training program at a board-certified barber school;

(iii) Has completed the twelfth grade in an accredited school or the equivalent; and

(iv) Completes an examination prescribed by the board; or

(C)(i) Files an application with the board in the form that the board may prescribe, accompanied by a fee as required by the board;

(ii) Holds a valid license to instruct in a school pursuant to § 62-4-110(c); and

(iii) Completes three hundred (300) hours in a registered barber school or college regarding the fundamentals of straight razor shaving and barbering technique;