Tennessee Code Title 16. Courts § 16-15-902

(a) Any person serving the process from the general sessions court shall promptly and within the time during which the person is served must respond, make proof of service to the court and shall identify the person served and shall describe the manner of service.

(b) Process shall be served within sixty (60) days of issuance.

(c) When process is served by mail, the original warrant, writ or other papers shall be endorsed by manner of service. In addition, an affidavit of the person making service setting forth the personal compliance of this section and the return receipt shall be sent to and filed with the clerk of the court. The person making service in this manner shall endorse over the signature on the original warrant, writ or other papers the date of mailing a certified copy of the warrant, writ or other papers to the defendant and the date of receipt of return receipt from the defendant. If the return receipt is signed by the defendant or any person designated by this section or by statute, service on the defendant is complete. If not, service by mail may be attempted or any other methods authorized by this section or by statute may be used.