- A passenger ship constructed on or after 1 September 1984 but before 1 July 2002; or
- A cargo ship of 500 gross tons or over constructed on or after 1 September 1984 but before 1 July 2002; or
- A cargo ship of less than 500 gross tons constructed on or after 1 February 1992 but before 1 July 2002,
- For cargo ships of less than 500 gross tons constructed on or after 1 September 1984 and before 1 February 1992, it is recommended that Contracting Governments extend such application to these cargo ships as far as possible.
- All ships, irrespective of type and size, carrying substances, material or articles identified in this Code as marine pollutants are subject to the provisions of this Code.
