Tennessee Code Title 62. Professions, Businesses and Trades § 62-2-401

(1) Graduation from Approved Engineering Curriculum, Experience, and Examination. A graduate of an engineering curriculum of four (4) years or more, approved by the board as being of satisfactory standing, after passing an examination prepared by the National Council of Examiners for Engineering and Surveying involving the fundamentals of engineering, must be admitted to an examination prepared by the National Council of Examiners for Engineering and Surveying in the principles and practice of engineering. Upon passing the examination, and with a specific record of four (4) years or more of progressive experience on engineering projects of a grade and character that indicates to the board that the applicant may be competent to practice engineering, the applicant must be granted a certificate of registration to practice engineering in this state; provided, that the applicant is otherwise qualified;

(2) Long Established Practice. A graduate of an approved engineering curriculum of four (4) years or more, with a specific record of twelve (12) years or more of progressive experience on engineering projects of a grade and character that indicates to the board that the applicant may be competent to practice engineering, must be admitted to an examination prepared by the National Council of Examiners for Engineering and Surveying, in the principles and practice of engineering. Upon passing the examination, the applicant must be granted a certificate of registration to practice engineering in this state; provided, that the applicant is otherwise qualified;

(3) Graduation from Approved Post-Graduate Engineering Curriculum, Experience, and Examination.

(4) Graduation from Approved Engineering Technology Curriculum, Experience, and Examination. A graduate of an ABET ETAC accredited engineering technology curriculum of four (4) years or more, approved by the board as being of satisfactory standing; and who holds a post-graduate degree in engineering from an institution with an ABET EAC accredited undergraduate engineering program approved by the board as being of satisfactory standing; and with a specific record of eight (8) years or more of experience on engineering projects of a grade and character that indicates to the board that the applicant may be competent to practice engineering and acquired under the supervision of a licensed professional engineer; and who has passed an examination prepared by the National Council of Examiners for Engineering and Surveying involving the fundamentals of engineering, must be admitted to an examination prepared by the National Council of Examiners for Engineering and Surveying in the principles and practice of engineering. Upon passing the examination, the applicant must be granted a certificate of registration to practice engineering in this state; provided, that the applicant is otherwise qualified.