Tennessee Code Title 45. Banks and Financial Institutions § 45-12-115

(a) The commissioner may promulgate rules in accordance with the Uniform Administrative Procedures Act, compiled in title 4, chapter 5, for the enforcement of this chapter. A copy of any rule adopted by the commissioner shall be mailed to the principal place of business of each license holder at least thirty (30) days before the date it takes effect.

(b) To assure compliance with this chapter, the commissioner may examine the relevant business, books and records of any licensee. Further, for the purposes of discovering violations of this chapter and determining whether persons are subject to this chapter, the commissioner may examine or investigate persons licensed under this chapter and persons reasonably suspected by the commissioner of conducting business that requires a license under this chapter by exercising authority that includes, but is not limited to, the power to summon witnesses and examine them under oath or affirmation, and to compel the production of books and records that may be relevant to the examination or investigation.