Texas Election Code - ELEC § 172.060. Deceased or Ineligible Candidate's Name to Appear on Runoff Primary Ballot

(a) If a runoff primary candidate dies or is declared ineligible before runoff primary election day, the candidate's name shall be placed on the ballot.

(b) If a deceased or ineligible candidate receives the vote required for nomination, the appropriate executive committee may select the nominee and certify the nominee's name for placement on the general election ballot as provided by Subchapter B, Chapter 145,  1 for filling a vacancy in a nomination.