Tennessee Code Title 63. Professions of the Healing Arts § 63-1-174

(a) All state entities that are created under this title and administratively attached to the division of health related boards must issue advisory private letter rulings to any affected person who is certified, licensed, or registered by such state entities and who makes such a request regarding any matters within the state entities' primary jurisdiction.  The private letter ruling only affects the person making the inquiry and shall have no precedential value for any other inquiry or future contested case to come before the state entity.  Any dispute regarding a private letter ruling may be resolved pursuant to the declaratory order provisions of § 4-5-223 if the board chooses to do so.

(b) The commissioner of health shall promulgate rules to effectuate this section.  The rules must be promulgated in accordance with the Uniform Administrative Procedures Act, compiled in title 4, chapter 5.