Tex. Occ. Code § 1951.352
If the department determines that new developments in pest control have occurred that are so significant that proper knowledge of the developments is necessary to protect the public, the department may require of each applicant proof of study by:
Added by Acts 2001, 77th Leg., ch. 1421, Sec. 4, eff. June 1, 2003.
Acts 2007, 80th Leg., R.S., Ch. 890 (H.B. 2458), Sec. 1.48, eff. September 1, 2007.