Marking goods with means of identification means printing a two-dimensional DataMatrix code on the pack, behind which a state-run digital system keeps the history of that one physical unit from the production line to the till. In 2026 Kazakhstan moved from four product groups to more than twenty: beer, motor oils and food supplements joined tobacco, footwear, medicines and saiga derivatives, and light-industry goods start in December 2026. The practical answer is simple: if your product is on the list, you cannot import it or sell it without a marking code, and a retail till may process the sale only once the code has been scanned.