No service performed by employees of the District of Columbia is covered prior to
                  10/1/65.
               
               All D.C. employees and employees of its wholly owned instrumentalities newly hired
                  after 9/30/87 are subject to Social Security coverage unless specifically excluded.
                  Excluded are services performed by:
               
               
                  - 
                     
                        • 
                           patients or inmates of D.C. hospitals or penal institutions; 
 
 
- 
                     
                        • 
                           student employees of D.C. hospitals other than medical and dental interns and residents
                              in training;
                            
 
 
- 
                     
                        • 
                           employees serving on a temporary basis in case of fire, storm, flood or similar emergency;
                              and
                            
 
 
- 
                     
                        • 
                           members of D.C. boards, committees, or councils, paid on a per diem, meeting, or other
                              fee basis.