Similar to Connecticut, Maryland, Mississippi, Nebraska, New Mexico, North Carolina, Oregon, and Wisconsin
The Secretary of State determines which candidates will be placed on the Presidential Preference Primary.
Alternatively, a candidate may submit a petition of 2,500 signatures of registered voters for Primary ballot placement.
Tennessee practices open primaries, which means anybody registered to vote can choose which party's primary they wish to vote in.
The Primary is on March 3, 2020