Nowadays, every corporation can offer its products to everybody who is ready to pay for them. However, occasionally, some products require certificates to be able to be sold in the stores and supermarkets. The most fashionable goods, which have to be tested before the customers can buy them, are: meat, milk products and fish. Nevertheless, each country has its own requirements when it comes to introduction food products on the marketplace. In most countries of the EU, the laws are almost the similar, but from the west border of Poland the situation is slightly different.