Tenn. Code Ann. § 8-38-111

Each political subdivision that has an approved plan under §§ 8-38-108 — 8-38-110 shall pay to the internal revenue service, at such time or times as may be required by applicable federal law, contributions with respect to wages, equal to the applicable taxes which would be imposed by the “Rate of Tax” sections of the Federal Insurance Contributions Act (26 U.S.C. 3101 et seq.) if the services covered by the agreement constituted employment within the meaning of that act.