če so proizvodi ali storitve, ki jih je treba dobaviti oziroma zagotoviti, zapleteni ali so izjemoma potrebni za posebne namene, s pregledom – ki ga opravijo naročniki ali v njihovem imenu pristojni uradni organ države, v kateri je dobavitelj blaga ali izvajalec storitev registriran, če ta organ s tem soglaša – proizvodnih zmogljivosti dobavitelja blaga ali tehničnih zmogljivosti izvajalca storitev in po potrebi podlag za študije in raziskave, ki so mu na voljo, ter ukrepov za kontrolo kvalitete, ki jih bo izvajal;
where the products or services to be supplied are complex or, exceptionally, are required for a special purpose, a check carried out by the contracting authorities or on their behalf by a competent official body of the country in which the supplier or service provider is established, subject to that body's agreement, on the production capacities of the supplier or the technical capacity of the service provider and, if necessary, on the means of study and research which are available to it and the quality control measures it will operate;