Tenn. Code § 4-1-107
Notwithstanding any other law, there are reserved over any lands as to which any legislative jurisdiction may be ceded to the United States pursuant to §§ 4-1-106 - 4-1-109, the state's entire legislative jurisdiction with respect to taxation and that of each state agency, county, city, political subdivision and public district of the state; the state's entire legislative jurisdiction with respect to marriage, divorce, annulment, adoption, commitment of the mentally incompetent, and descent and distribution of property; concurrent power to enforce the criminal law; and the power to execute any process, civil or criminal, issued under the authority of the state; nor shall any persons residing on such lands be deprived of any civil or political rights, including the right of suffrage, by reason of the cession of such jurisdiction to the United States.
T.C.A. § 4-1-107