Statistične enote, kot so vladne službe, organizacije socialnega varstva ali NPISG, ki jih države članice pozovejo k sodelovanju pri zbiranju ali zagotavljanju osnovnih podatkov, so dolžne dajati poštene in popolne informacije v zahtevanem času ter organizacijam in institucijam, pristojnim za pripravo uradnih statističnih podatkov, omogočiti, da na zahtevo pridobijo informacije na ravni podrobnosti, ki je potrebna, da se oceni skladnost z zahtevo po primerljivosti in kakovost podindeksov HICP.
The statistical units, such as government agencies, social security administrations or NPISHs, called upon by the Member States to cooperate in the collection or provision of basic information are obliged to give honest and complete information at the time it is requested and allow the organisations and institutions responsible for compiling official statistics, on request, to obtain information at the level of detail necessary to evaluate compliance with the comparability requirements and the quality of the HICP sub-indices.