Tenn. Code Ann. § 10-1-105

The secretary of state, acting through the division of public libraries and archives, shall be responsible for the proper administration of this chapter, and shall establish policies to govern the administration of the state library system. The division shall have custody of and be responsible for the properties of the state library system, including properties that may be assigned to it in the future. The secretary of state is authorized to establish policies, rules, and regulations that may be necessary to govern the use of the properties and the use and disposition of materials under the secretary's jurisdiction, including the circulation of books from the library.