Administrative action shall become final upon the occurrence of any of the following:     
       (1) failure to submit a written request for a hearing not later than the 30th day after the date on which the notice is served in accordance with §17.7(d) of this title (relating to Initiation of General Land Office Action);       
         (2) issuance by the commissioner of an order and failure to file a motion for rehearing in accordance with §17.40 of this title (relating to Rehearing); or         
           (3) issuance by the commissioner of an order and denial of a motion for rehearing, either expressly or by operation of law; or           
             (4) issuance by the commissioner of an order which includes a statement that no motion for rehearing will be entertained because the threat of imminent peril to the public health, safety, or welfare requires immediate effect be given to such order.            
     Source Note:        The provisions of this §17.42 adopted to be effective April 22, 1992, 17 TexReg 2472.