If a deceased or ineligible candidate receives the vote required for election to an office, a vacancy occurs on the date the final canvass of the election is completed.
Tex. Elec. Code § 201.028
DECEASED OR INELIGIBLE CANDIDATE RECEIVING VOTE REQUIRED FOR ELECTION
Acts 1985, 69th Leg., ch. 211, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.