Nowadays, every company can sell its goods to everyone who is ready to pay for them. However, sometimes, many goods need certificates to be able to be sold in the stores and food markets. The most popular products, which have to be tested just before the clients can purchase them, are: meat, milk goods and seafood. However, every nation has its own specifications when it comes to introduction food items on the market. In most nations of the European Union, the regulations are almost the similar, but from the west border of Poland the situation is slightly different.