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Lot labelling

According to the Foodstuffs Act, the term "batch" refers to all sales units of a foodstuff that are produced, manufactured or packaged under practically identical conditions. This information must consist of a combination of numbers and/or letters. Lot labelling makes it possible to trace a batch of goods back to the producer of the product. In the event of a recall, for example due to a product defect, the food can be quickly and clearly identified. Since the early 1990s, the European Union 's wine law has also required bottled wine to be labelled with a batch number when it is brought onto the EU market.

This usually consists of the letter "L" followed by a code, which often contains the date of bottling. The first digit is the last year of the bottling year, i.e. "6" for "2006", followed by a three-digit number indicating the absolute date (001 to 365/366). However, there is no specification in this respect. The batch number can be placed in front of the official test number (Germany) or state test number (Austria) on the bottle label. However, this is not mandatory because the test numbers alone are also valid as batch labelling. See also under Bottling.

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