Texas Government Code 411.00741 – Polygraph Examinations for Certain Officers and Employees
(a) The department may require a commissioned or noncommissioned officer or employee of the department to submit to the administration of a polygraph examination administered by a polygraph examiner if:
(1) the officer or employee is assigned to a position that requires the officer or employee to work with a federal agency on national security issues; and
(2) the federal agency requires that the officer or employee submit to a polygraph examination.
(b) If an officer or employee does not submit to the administration of a polygraph examination required under Subsection (a), the department may, as applicable:
(1) remove the officer or employee from an assignment to a position described by Subsection (a)(1); or
(2) refuse to assign the officer or employee to that position.