Texas Property Code - PROP § 210.006. Vote on Proposal

(a) If the petition allows owners to indicate only approval or disapproval of the entire proposal, the proposal is adopted if owners of at least 66 percent of the real property in the subdivision vote in favor of the proposal.  If the petition allows owners to indicate approval or disapproval of specific provisions of the proposal, a provision is adopted if owners of at least 66 percent of the real property in the subdivision vote in favor of the provision.

(b) The property owners' association or petition committee shall exclude votes by lienholders, contract purchasers, and owners of mineral interests.

(c) Except as provided by this subsection, the approval or disapproval of multiple owners of a property may be reflected by the signatures of a majority of the co-owners.  The approval or disapproval of owners who are married may be reflected by the signature of one of those owners.

(d) An owner is considered to have cast a vote if the owner signs the petition indicating approval or disapproval of the proposal or one or more specific provisions of the proposal.

(e) The property owners' association or petition committee may only count a vote if the association or committee receives the vote before the deadline stated in the petition.