Together with the accession of Poland to the European Union, the conditions of commodity exchange with the abroad have been considerably changed. Trade of Poland with the European Member State has been covered with the regulations of the Common European Market. Pursuant to the Accession Treaty, Poland has adopted acquis communautaire of the Community concerning trade policy, including all instruments and rules of common commercial policy, including external customs tariff and out-tariff measures as well as system of agreements with the commercial partners outside the European Union. Accession to the European Union meant the extension of greater protective barriers over Poland in the field of import of agricultural products from third countries and the possibility of taking an advantage of export subsidies to agro-food products exported to third countries on equal rights as other European Union entrepreneurs.