The Psychology Interjurisdictional Compact Commission established under the Psychology Interjurisdictional Compact under Section 501.601 may not adopt rules that alter the requirements or scope of practice of a license issued under this chapter. Any rule adopted by the Psychology Interjurisdictional Compact Commission that purports to alter the requirements or scope of practice of a license issued under this chapter is not enforceable.
Tex. Occ. Code § 501.602