The IMDG Code 2018
The IMDG Code, 2018 Edition (inc. Amendment 39-18) comes into force on 1 January 2020 for two years and may be applied voluntarily as from 1 January 2019. The IMDG Code Supplement, 2018 Edition, once published, will render the previous 2014 edition.
The IMDG Code, 2016 Edition Amendment 38-16 came into force on 1 January 2018 for two years. The IMDG Code Supplement, 2014 Edition remains valid until further notice.
Fonte: IMO