Sec. 89.012.  DUTY OF NONOPERATOR.  If the operator of a well fails to comply with Section 89.011 of this code, each nonoperator is responsible for his proportionate share of the cost of the proper plugging of the well within a reasonable time, according to the rules of the commission in effect at the time the responsibility attaches.
Acts 1977, 65th Leg., p. 2553, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.