Tenn. Code Ann. § 16-5-102: Judges - Qualifications

The court of criminal appeals shall be composed of twelve (12) judges, of whom no more than four (4) shall reside in any grand division of the state. Immediately preceding appointment, each judge shall be at least thirty (30) years of age, shall have been a resident of the state for at least five (5) consecutive years, shall have been a resident of the grand division from which the judge is appointed for at least one (1) year. For purposes of this section, "resident" has the same meaning as defined in § 2-1-104 . The judges shall be duly licensed to practice law in this state.