The Swedish Club informs that by 1 January 2019 there will be a supplementary IMSCB (International Maritime Solid Bulk Cargoes Code) for coal. Namely, coal will not only be categorized as a chemical hazard cargo (Group B) but will also fall into Group A (liquefaction).
For a Group A cargo TML and FMP always need to be established by the shipper and provided to the vessel according with the Code before loading.
However, if the particles are large enough to prevent liquefaction, then they will not...
https://safety4sea.com/new-imsbc-code-requirements-from-jan-2019/