Tennessee Code Title 32. Wills § 32-1-107

(a) A will executed outside this state in a manner prescribed by §§ 32-1-101 -- 32-1-108, inclusive, or a written will executed outside this state in a manner prescribed by the law of the place of its execution or by the law of the testator's domicile at the time of its execution, shall have the same force and effect in this state as if executed in this state in compliance with those sections.

(b) A will described in subsection (a) is sufficiently proved to be admitted to probate in this state if it is proved that the will could be admitted to probate: