Tex. Gov't Code § 420A.009
(c) Under the salary career ladder adopted under Subsection (a), a case manager to whom the schedule applies and who received an overall evaluation of at least satisfactory in the case manager's most recent annual evaluation is entitled to an annual salary increase, during each of the case manager's first 10 years of service in a designated case manager classification as described by Subsection (b), equal to one-tenth of the difference between:
Added by Acts 2011, 82nd Leg., R.S., Ch. 1201 (S.B. 166), Sec. 2, eff. September 1, 2011.