Pregled se opravi skladno z osnovnimi načeli prava Skupnosti, kot so pravilno delovanje notranjega trga, predvsem prosti pretok blaga in storitev, varstvo okolja v interesu Skupnosti kot celoti in varnost v prometu.
The review shall take place in conformity with basic principles of Community law, such as the proper functioning of the internal market, in particular the free movement of goods and freedom to provide services, protection of the environment in the interest of the Community as a whole, and traffic safety.