Tex. Lab. Code § 91.007
This chapter does not relieve a client of a right, obligation, or duty under:
Added by Acts 1999, 76th Leg., ch. 771, Sec. 3, eff. Sept. 1, 1999.
Acts 2013, 83rd Leg., R.S., Ch. 117 (S.B. 1286), Sec. 6, eff. September 1, 2013.