(a) Applicability. This subchapter applies to the commission's duties, responsibilities, and activities under the Water Rights Adjudication Act of 1967, Texas Water Code, §§11.301, et seq.      
        (b) Motions. A motion may be filed with the commission as provided by §80.56 of this title (relating to Motions), with copies served only on those parties participating in the evidentiary hearing; except that, if there are other parties whose interests are likely to be substantially affected by the relief sought in the motion, copies shall be served on each such party or his representative.        
          (c) Mailing list. The commission shall maintain an official mailing list for each stream or segment being adjudicated, which shall include the following:          
            (1) the persons within the stream or segment being adjudicated who filed claims in accordance with Texas Water Code, §11.307;            
              (2) all otherpersons who filed claims under Texas Water Code, §11.303, or who have permits or certified filings within the segment being adjudicated;              
                (3) all other diverters of state water within the segment being adjudicated who can be reasonably ascertained from the records of the commission or from the executive director's investigation;                
                  (4) all attorneys or other interested persons who request to be put on the mailing list, either in writing or on the record during one of the hearings in the adjudication; and                  
                    (5) all contesting parties.                    
                      (d) Definition. As used in this subchapter, the term "mailing list" means the commission's official mailing list for the stream or segment being adjudicated.                     
     Source Note:        The provisions of this §86.11 adopted to be effective June 6, 1996, 21 TexReg 4780.