Tenn. Code Ann. § 20-6-202: Actions on bonds

In actions upon penal bonds or other writings for the nonperformance of any covenant or agreement contained in the penal bonds or other writings, the plaintiff may assign as many breaches as the plaintiff deems proper, and verdict and judgment may be rendered for such of the breaches as the plaintiff may prove; or, if judgment is rendered for the plaintiff on demurrer or by default, a writ of inquiry of damages shall be awarded.