Ifølge fast retspraksis består diskrimination navnlig i en forskellig behandling af sammenlignelige sager, som stiller visse erhvervsdrivende dårligere end andre, uden at forskellen i behandlingen kan begrundes i væsentlige, objektive forskelle.
It is settled case-law that discrimination consists in particular in treating like cases differently, involving a disadvantage for some operators in relation to others, without that difference in treatment being justified by the existence of substantial, objective differences.