“Constructed” in respect of a ship means a stage of construction where:
1.   the keel is laid; or
2.   construction identifiable with the specific ship begins;
3.   assembly of the ship has commenced comprising at least 50 tonnes or 1 percent of the estimated mass of all structural material, whichever is less; or
4.   the ship undergoes a major conversion.

Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004, Legislation

Comments are closed.