Tenn. Code Ann. § 66-5-106: Authentication and registration required - Formal ceremonies unnecessary

No deed of conveyance for lands, in whatever manner or form drawn, shall be good and available in law, as to strangers, unless it is acknowledged by the vendor, or proved by two (2) witnesses upon oath, in the manner prescribed in chapters 22 and 23 of this title, and registered by the register of the county where the land lies. All deeds so executed shall be valid and pass estates in land, or right to other estates, without livery of seisin, attornment, or other ceremony in the law whatever.