(a) Claimants have 
          the right to be represented before the Board, or any member thereof, 
          at all stages of proceedings, by an attorney-at-law, duly licensed to 
          practice in the State of New Jersey, or qualified to make such an appearance 
          pursuant to the Rules Governing the Courts of New Jersey, Rule 1:21-1(a).
         (b) The attorney shall 
          file a notice of appearance, or when appropriate, notice of substitution 
          prior to or at the time of his first appearance before the Board.
         (c) If any party designates 
          an attorney to represent said party and such attorney has executed and 
          filed with the Board the appropriate notice, such notice will remain 
          in effect until: 
        1. The 
          party represented files with the Board a written revocation of the attorneys' 
          authorization; or 
        2.  
          The attorney files with the Board a written statement of his withdrawal 
          from the case; or 
        3.  
          The attorney states on the record at the Board hearing that he is withdrawing 
          from a case; or
        4.  
          The Board receives notice of the attorney's 
          death or disqualification, and 
        5.  
          The Board approves said attorney's 
          removal from participation in the matter. 
 
       (d) After the filing 
        of a notice of appearance or substitution in accordance with this section 
        and as long as such notice may remain in effect, copies of all written 
        communications or notices to the party shall be sent to such attorney 
        in lieu of the party so represented or to both the party and his attorney, 
        at the Board's discretion. Service upon the attorney shall be service 
        upon the party he represents.