Tex. Spec. Dist. Code § 1122.153
After the budget is adopted, the budget may be amended if the proposed amendment is:
Added by Acts 2013, 83rd Leg., R.S., Ch. 1306 (H.B. 3793), Sec. 5, eff. September 1, 2013.
Acts 2015, 84th Leg., R.S., Ch. 382 (H.B. 1596), Sec. 11, eff. June 10, 2015.