The global shipowners group and its national member organisations are in a “final flurry” of lobbying on the subject ahead of next week’s meeting of the IMO’s Marine Environment Protection Committee (MEPC).

The shipping industry has complained of a mismatch between IMO type-approval of ballast water treatment systems and more stringent type-approval by port states.

The ICS says it is supportive of the IMO Ballast Water Management Convention, which is expected to enter into force in 2016.

“But