IMDG Amendment 36-12 can be used voluntarily from 1 January 2013 ; will become mandatory from 1 January 2014.
List of UN numbers are up to 3506 and there are significant changes to Stowage and segregation, Sources of heat, Foodstuffs, Limited quantities and Explosives.
Part 7 has gone through a major shuffling by changing the order of subsections and chapters.
You may visit http://www.imdgsupport.com/ to get details of changes highlighted by Exis Technologies.
IMDG Code Compliance Centre 