Nowadays, every company can sell its goods to everybody who is ready to pay for them. However, sometimes, many products require certificates to be able to be sold in the shops and supermarkets. The most popular goods, which must be tested before the customers can purchase them, are: meat, milk goods and fish. Nevertheless, each nation has its own specifications when it comes to launch cooking items on the marketplace. In most nations of the European Union, the laws are almost the similar, but from the west border of Poland the situation is a little different.