Texas Civil Practice and Remedies Code - CIV PRAC & REM § 16.033. Technical Defects in Instrument

(1) lack of the signature of a proper corporate officer, partner, or company officer, manager, or member;

(2) lack of a corporate seal;

(3) failure of the record to show the corporate seal used;

(4) failure of the record to show authority of the board of directors or stockholders of a corporation, partners of a partnership, or officers, managers, or members of a company;

(5) execution and delivery of the instrument by a corporation, partnership, or other company that had been dissolved, whose charter had expired, or whose franchise had been canceled, withdrawn, or forfeited;

(6) acknowledgment of the instrument in an individual, rather than a representative or official, capacity;

(7) execution of the instrument by a trustee without record of the authority of the trustee or proof of the facts recited in the instrument;

(8) failure of the record or instrument to show an acknowledgment or jurat that complies with applicable law; or

(9) wording of the stated consideration that may or might create an implied lien in favor of the grantor.