Between 8 Sep 2019 and Sep 2024, the BWM Convention will reach the second phase of its implementation where all ships will have to conform to the D-2 standard. In other words, after 15 years, the Ballast Water Management Convention is coming into full effect from this September since all ships must be fitted with D-2-compliant ballast water treatment system by the next IOPP renewal survey but not later than 8 September 2024.
Currently, around 25% of the fleet in international voyage already has...
https://safety4sea.com/cm-bwm-convention-discharge-standard-d-2-in-full-force/