Tex. Elec. Code § 172.053
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Except for a judicial action in which a candidate's eligibility is in issue, after the polls close on primary election day and before the final canvass for the office sought by the candidate is completed, a candidate for nomination may be declared ineligible only by the presiding officer of the primary's final canvassing authority for that office.
Tex. Elec. Code § 172.053