Sec. 111.189.  HEARING AND DETERMINATION OF RATES.  If a person at interest files an application for a change in a rate or rates, the commission shall call a hearing and immediately after the hearing shall establish and promulgate a rate or rates in accordance with the basis provided in this subchapter.
Acts 1977, 65th Leg., p. 2589, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.