Dear colleagues, we are in the search of how agrochemicals sales are organized in different countries. Here in Brazil every agrochemical for sale needs a recipe emitted by a competent authority (agronomist). With that in hand a grower can buy the product (as long that agrochemical is registered for use at national level for that specific crop) from agricultural companies. The growers needs to keep in his files (according to a normative - INC 02 of 2018) the recipes for at least two years for future and eventual inspections. All the effort goes towards reducing not-conforming outcomes from residual analyses on sampled commodities: product not registered for a specific crop, product already prohibited at national level and exceeding the maximum residual limit. Many thanks for any insight/comment.