Texas Election Code - ELEC § 162.015. Restrictions on Candidacy in General Election by Candidate or Voter in Primary

(a) A person who voted at a primary election or who was a candidate for nomination in a primary is ineligible for a place on the ballot for the succeeding general election for state and county officers as:

(b) A person who was a candidate for nomination in a primary election is ineligible for a place on the list of write-in candidates for the succeeding general election for state and county officers as a write-in candidate for the office sought by that candidate in the primary.