The control action was focused on burčák (ČZHM produced from grapes harvested on the territory of the Czech Republic) and on CZHM produced from grapes harvested in other EU member states.

The inspection was carried out at sellers (especially sales stands), but also at manufacturers.

The inspection focused on:

- proper labeling at the time of sale, accompanying documents,

- unauthorized addition of exogenous water,

- over-limit enrichment of must with sugar,

- alcohol content,

- sulfur dioxide content

- verification of data on the botanical origin of the raw material and the geographical origin of the grapes,

- the presence of dyes (synthetic dyes or non-specific anthocyanins) - for red ČZHM.