Current Version
UR M74 Ballast Water Management Systems – Rev.2 June 2021 Clean.
Rev.3 will come into force on 1 January 2027
UR M74 Installation of Ballast Water Management Systems – Rev.2 June 2021 Underlined.
Future Version
UR M74 Ballast Water Management Systems – Rev.3 March 2025 Complete Revision (CR)
Technical Background