A claim which either matured or was acquired by the pleader after serving the pleading may, with the permission of the court, be presented as a counterclaim by supplemental pleading.
Tenn. R. Civ. P. 13.05
A claim which either matured or was acquired by the pleader after serving the pleading may, with the permission of the court, be presented as a counterclaim by supplemental pleading.
Tenn. R. Civ. P. 13.05