Tex. Occupations Code § 1701.318: CERTIFICATION REQUIRED FOR PEACE OFFICERS TO CONDUCT POLYGRAPH EXAMINATIONS.

(a) The commission by rule may establish minimum requirements for the training, testing, and certification of peace officers to conduct polygraph examinations for the purpose of:

(1) a preemployment examination of a candidate applying for a position that requires a license under this chapter; or

(2) a criminal investigation.

(b) The commission shall adopt rules prohibiting a peace officer from conducting a polygraph examination for a purpose described by Subsection (a) unless the officer:

(1) completes a training course approved by the commission; and

(2) passes an examination administered by the commission that is designed to test the officer's knowledge of investigative polygraphy.

(c) The commission shall issue a certification to conduct polygraph examinations to a peace officer who applies for the certification, completes the required training, and passes the required examination.

Added by Acts 2025, 89th Leg., R.S., Ch. 327 (S.B. 2180), Sec. 1, eff. September 1, 2025.