Here’s a link to the Ministry of Health’s Regulatory Impact Statement - Regulation of e-cigarettes and emerging tobacco and nicotine-delivery products.
It provides an analysis of options to regulate e‑cigarettes and e‑liquid as consumer products, as well as an analysis of high-level options for the regulation of emerging tobacco and nicotine-delivery products.
It was commissioned by the Associate Minister of Health, who is responsible for the tobacco control portfolio. The current Associate Minister of Health is Hon Jenny Salesa. You can email her here firstname.lastname@example.org