The Member States 25 March 1957, Consolidated version of the Treaty on the Functioning of the European Union#PART THREE - UNION POLICIES AND INTERNAL ACTIONS#TITLE VII - COMMON RULES ON COMPETITION, TAXATION AND APPROXIMATION OF LAWS#Chapter 3 - Approximation of laws#Article 115(ex Article 94 TEC)

6. The Commission shall, within six months of the notifications as referred to in paragraphs 4 and 5, approve or reject the national provisions involved after having verified whether or not they are a means of arbitrary discrimination or a disguised restriction on trade between Member States and whether or not they shall constitute an obstacle to the functioning of the internal market.