The Code for the Construction and Equipment of Mobile Offshore Drilling Units, 2009 (2009 MODU Code) provides an international standard for mobile offshore drilling units (MODU) constructed on or after 1 January 2012.
 
This edition of the 2009 MODU Code incorporates the 2013 (MSC.359(92)), 2014 (MSC.384(94)), MSC.387(94)), 2016 (MSC.407(96)) and 2017 (MSC.435(98)) amendments to the Code.