drogue – Traçabilité et part de l'usage domestique dans les ventes de protoxyde d'azote

This written question asks about tracking the sale of nitrous oxide, also known as laughing gas. It specifically inquires about the proportion of sales used domestically, as opposed to industrial or medical applications. The question aims to understand the extent of recreational use and potential misuse of nitrous oxide. It seeks to clarify how sales are monitored to prevent diversion for non-approved purposes.