1 Unless expressly
                           provided otherwise this regulation shall:
                        
                        
                        
                        
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                                 .1 apply to oil tankers of 5,000 tonnes deadweight
                                 and above, which are delivered before 6 July 1996, as defined in regulation 1.28.5 of this Annex;
                                 and
                                 
                              
                              
                              
                            
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                                 .2 not apply to oil tankers complying with regulation 19 and regulation 28 in respect of paragraph 28.7, which are
                                 delivered before 6 July 1996, as defined in regulation 1.28.5 of this Annex; and 
                              
                              
                              
                            
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                                 .3 not apply to oil tankers covered by subparagraph
                                 1 above which comply with regulation 19.3.1 and 19.3.2 or 19.4 or 19.5 of this Annex, except that
                                 the requirement for minimum distances between the cargo tank boundaries
                                 and the ship side and bottom plating need not be met in all respects.
                                 In that event, the side protection distances shall not be less than
                                 those specified in the International Bulk Chemical Code for type 2
                                 cargo tank location and the bottom protection distances at centreline
                                 shall comply with regulation
                                    18.15.2 of this Annex.
                                 
                              
                              
                              
                            
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           2 For the purpose
                           of this regulation:
                        
                        
                        
                        
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                                 .1 "Heavy diesel oil" means diesel oil other than
                                 those distillates of which more than 50 per cent by volume distils
                                 at a temperature not exceeding 340ºC when tested by the method
                                 acceptable to the Organization. footnote
                                 
                              
                              
                              
                            
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                                 .2 "Fuel oil" means heavy distillates or residues
                                 from crude oil or blends of such materials intended for use as a fuel
                                 for the production of heat or power of a quality equivalent to the
                                 specification acceptable to the Organization. footnote
                                 
                              
                              
                              
                            
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           3 For the purpose
                           of this regulation, oil tankers are divided into the following categories:
                        
                        
                        
                        
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                                 .1 "Category 1 oil tanker" means an oil tanker
                                 of 20,000 tonnes deadweight and above carrying crude oil, fuel oil,
                                 heavy diesel oil or lubricating oil as cargo, and of 30,000 tonnes
                                 deadweight and above carrying oil other than the above, which does
                                 not comply with the requirements for oil tankers delivered after 1
                                 June 1982, as defined in regulation
                                    1.28.4 of this Annex;
                                 
                              
                              
                              
                            
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                                 .2 "Category 2 oil tanker" means an oil tanker
                                 of 20,000 tonnes deadweight and above carrying crude oil, fuel oil,
                                 heavy diesel oil or lubricating oil as cargo, and of 30,000 tonnes
                                 deadweight and above carrying oil other than the above, which complies
                                 with the requirements for oil tankers delivered after 1 June 1982,
                                 as defined in regulation 1.28.4 of
                                 this Annex; and
                                 
                              
                              
                              
                            
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SEE INTERPRETATION 42
                                 
                              
                              
                              
                            
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                                 .3 "Category 3 oil tanker" means an oil tanker
                                 of 5,000 tonnes deadweight and above but less than that specified
                                 in subparagraph 1 or 2 of this paragraph.
                              
                              
                              
                            
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           4 An oil tanker to which this regulation applies shall
                           comply with the requirements of paragraphs 2 to 5, 7 and 8 of regulation 19 and regulation 28 in respect of paragraph 28.7 of this Annex not
                           later than 5 April 2005 or the anniversary of the date of delivery of the ship on the
                           date or in the year specified in the following table: 
                        
                        
                        
                        
                        
                        
                           
                              
                                 
                                    | 
                                       Category of oil tanker
                                       
                                       
                                     | 
                                    
                                       Date or year
                                       
                                       
                                     | 
                                 
                                 
                                    | Category
                                       1
                                       
                                     | 
                                    5 April
                                       2005 for ships delivered on 5 April 1982 or earlier
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2005 for
                                       ships delivered after 5 April 1982
                                       
                                     | 
                                 
                                 
                                    | Category
                                       2 and
                                       
                                     | 
                                    5 April
                                       2005 for ships delivered on 5 April 1977 or earlier
                                       
                                     | 
                                 
                                 
                                    | Category
                                       3
                                       
                                     | 
                                    2005 for
                                       ships delivered after 5 April 1977 but before 1 January 1978
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2006 for
                                       ships delivered in 1978 and 1979
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2007 for
                                       ships delivered in 1980 and 1981
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2008 for
                                       ships delivered in 1982
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2009 for
                                       ships delivered in 1983
                                       
                                     | 
                                 
                                 
                                    |  
                                       
                                     | 
                                    2010 for
                                       ships delivered in 1984 or later
                                       
                                     | 
                                 
                              
                           
                           
                         
                        
                        
                      
                     
                     
                     
                     
                     
                     
                     
                        
                        
                         
                           5 Notwithstanding
                           the provisions of paragraph 4 of this regulation, in the case of a
                           Category 2 or 3 oil tanker fitted with only double bottoms or double
                           sides not used for the carriage of oil and extending to the entire
                           cargo tank length or double hull spaces which are not used for the
                           carriage of oil and extend to the entire cargo tank length, but which
                           does not fulfil conditions for being exempted from the provisions
                           of paragraph 1.3 of this regulation, the Administration may allow
                           continued operation of such a ship beyond the date specified in paragraph
                           4 of this regulation, provided that:
                        
                        
                        
                        
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                                 .1 the ship was in service on 1 July 2001;
                              
                              
                              
                            
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                                 .2 the Administration is satisfied by verification
                                 of the official records that the ship complied with the conditions
                                 specified above;
                              
                              
                              
                            
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                                 .3 the conditions of the ship specified above
                                 remain unchanged; and
                              
                              
                              
                            
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                                 .4 such continued operation does not go beyond
                                 the date on which the ship reaches 25 years after the date of its
                                 delivery.
                              
                              
                              
                            
                        
                        
                        
                      
                     
                     
                     
                        
                        
                         
                           6 A Category 2 or
                           3 oil tanker of 15 years and over after the date of its delivery shall
                           comply with the Condition Assessment Scheme adopted by the Marine
                           Environment Protection Committee by resolution
                              MEPC.94(46), as amended, provided that such amendments shall
                           be adopted, brought into force and take effect in accordance with
                           the provisions of article 16 of
                           the present Convention relating to amendment procedures applicable
                           to an appendix to an Annex.
                           
                        
                        
                        
                      
                     
                     
                     
                     
                     
                     
                        
                        
                         
                           7 The Administration
                           may allow continued operation of a Category 2 or 3 oil tanker beyond
                           the date specified in paragraph 4 of this regulation, if satisfactory
                           results of the Condition Assessment Scheme warrant that, in the opinion
                           of the Administration, the ship is fit to continue such operation,
                           provided that the operation shall not go beyond the anniversary of
                           the date of delivery of the ship in 2015 or the date on which the
                           ship reaches 25 years after the date of its delivery, whichever is
                           the earlier date.
                        
                        
                        
                      
                     
                     
                     
                        
                        
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                                 8.1 The Administration of a Party to the present
                                 Convention which allows the application of paragraph 5 of this regulation,
                                 or allows, suspends, withdraws or declines the application of paragraph
                                 7 of this regulation, to a ship entitled to fly its flag shall forthwith
                                 communicate to the Organization for circulation to the Parties to
                                 the present Convention particulars thereof, for their information
                                 and appropriate action, if any.
                              
                              
                              
                            
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                                 .2 A Party to the present Convention shall be
                                 entitled to deny entry into the ports or offshore terminals under
                                 its jurisdiction of oil tankers operating in accordance with the provisions
                                 of:
                              
                              
                              
                              
                              
                              
                              
                              In
                                 such cases, that Party shall communicate to the Organization for circulation
                                 to the Parties to the present Convention particulars thereof for their
                                 information.