Phakathi nenqubo yokukhiqiza, sinomphathi wokuqondisa wekhwalithi ozinikele kanye nethimba lokuqinisekisa ikhwalithi yomkhiqizo phakathi nenqubo yokukhiqiza. Futhi ngaphambi kokulethwa, sizomema izinkampani zokuhlola zenkampani yangaphandle i-SGS, BV, njll. ukuthi zihlole izimpahla, Ukuqinisekisa ukuthi ukuhlolwa kwekhwalithi kufanelekile ngaphambi kokulethwa.