Tennessee Code Title 2. Elections § 2-8-110

(a) The governor, secretary of state and attorney general and reporter shall, as soon as the returns are received, publicly calculate and compare the votes received by each person for the office of member of the general assembly, presidential and vice presidential elector, member of congress, judge, chancellor, or district attorney general, and declare the person receiving the highest number of votes elected.

(b) The secretary of state shall assure the preservation of the original certification of results executed under this section.

(c) The governor shall furnish each person elected with a certificate of election, which shall also be a commission of office, signed by the governor and the secretary of state. The certificate shall be prima facie evidence of election. A duplicate original of the certificate of election as United States senator shall be sent to the president of the United States senate.