— specifies ingredient purity and related supply chain requirements;

— specifies ingredient exclusion criteria based on function and toxicological properties;

— specifies the need for a toxicological risk assessment and provides guidance on the content of this as well as specifying competency requirements for those responsible for it;

— specifies nicotine content versus label claim over shelf life and performance characteristics of the analytical method used to measure the nicotine;

— specifies pH limits for the e-liquid;

— provides guidance on the measuring of emissions;

— specifies certain ingredient-related product labelling;

— provides guidance on ingredients that should not be used in e-liquids;

— provides guidance on maximum levels in finished e-liquid for certain undesirable constituents that may occur in natural extracts used as flavourings.