Source: Resolution MEPC.176(58), amendments to the Annex of the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships (Revised MARPOL Annex VI), 10 October 2008, International Maritime Organization. Ships constructed means ships the keels of which are laid or which are at a similar stage of construction. Source: Resolution MEPC.118(52), amendments to the Annex of the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973 (Revised Annex II of MARPOL 73/78), 15 October 2004, International Maritime Organization. This conversion provision shall not apply to the modification of a ship, which complies with all of the following conditions:ġ the ship is constructed before 1 July 1986 andĢ the ship is certified under the Bulk Chemical Code to carry only those products identified by the Code as substances with pollution hazards only. Covers the complete ship construction process including the development of ship types, materials and strengths, welding and cutting and ship structure, with numerous clear line diagrams included for ease of understanding. A ship converted to a chemical tanker, irrespective of the date of construction, shall be treated as a chemical tanker constructed on the date on which such conversion commenced. Ship constructed means a ship the keel of which is laid or which is at a similar stage of construction.