Texas Labor Code - LAB § 105.002. Employment Termination;  Employment Contract Void and Unenforceable

(a) An employer may discharge an employee, regardless of whether the employee is employed under an employment contract with the employer, if the employer determines, based on a reasonable factual basis, that the employee, in obtaining the employee's employment or any benefit relating to the employee's employment, falsified or otherwise misrepresented any information regarding the employee's military record in a manner that would constitute an offense under Section 32.54, Penal Code.

(b) An employment contract entered into by an employer with an employee discharged by the employer under this section is void and unenforceable as against public policy.