Tenn. Code Ann. § 20-4-203: Application for change

The party applying for a change of venue shall make a statement of facts, in writing, under oath or affirmation, that the party verily believes that, owing to prejudice, or other causes then existing, the party cannot have a fair and impartial trial in the county, or before the general sessions judge, where the cause is pending, the truth of which statement shall, in a court of record, be verified and supported by the oath of at least three (3), and before a general sessions judge, of one (1) or more, respectable and disinterested persons.