The 2009 MODU Code present a major revision of the 1989 MODU Code. It contains, amongst others :
* Updated provisions for helicopter facilities,
* Clarification of Differing jurisdiction and control mechanisms of port and coastal States,
* Changes to the provisions for casualty investigations,
* New Provisions for means of access and safe access to spaces
* Provisions for anti-fouling systems and ballast water management
* Clarification and additional requirements for jacking systems
* New requirements to enhance personnel safety
* New requirements for hoisting equipment
The 2009 MODU Code provides an international standard for MODUs of new contruction which will facilitate their international movement and operation and ensure a level of safety for such units and for personnel on board, equivalent to that required by the 1974 SOLAS Convention on Load Lines, 1966, for conventional ships engaged on international voyages.