Tennessee Code Title 43. Agriculture and Horticulture § 43-35-104

(1) When the governor has executed the compact on behalf of this state and has caused a verified copy of the compact to be filed with the secretary of state;

(2) When the commissioner of agriculture has certified to the governor and to the general assembly that two (2) or more of the other states named in § 43-35-101 article VII, section 20 have ratified the compact in a form substantially similar to this enactment; and

(3) When the consent of congress has been obtained.