8.1 For the purposes of this section the term existing
                              ship means a ship, the keel of which is laid before 25 May
                           1980.
                           
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           8.2 An existing ship loaded in accordance with
                           documents previously approved under regulation
                              12 of chapter VI of SOLAS 1960, IMO resolutions A.184(VI) or
                           A.264(VIII) shall be considered to have intact stability characteristics
                           at least equivalent to the requirements of A
                              7 of this Code. Documents of authorization permitting such
                           loadings shall be accepted for the purposes of A 7.2.
                           
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           8.3 Existing ships not having on board a document
                           of authorization issued in accordance with A
                              3 of this Code may apply the provisions of A 9 without limitation on the deadweight
                           which may be used for the carriage of bulk grain.