Age of consumption for alcohol, colorings, standards, etc. In addition to EU's mandatory and voluntary schemes, national voluntary labeling schemes, often appreciated by consumers, might apply. Regarding food products, labels should include the product definition; its shelf life; precautionary information or usage instructions; statement of contents, including all additives, preservatives and colour agents; the product’s country of origin and name of importer or vendor; and the manufacturer’s lot or batch number.