Through participation in AFNOR, Cetie also maintains direct links to European (CEN) and International (ISO) standardisation to actively contribute to the development of official standards in the field of bottling, holding the convenorship of CEN TC261 / SC5 / WG21 (Glass packaging), TC 261 / SC5, WG25 (Rigid plastic packaging as well as plastic caps and lids for any packaging containing plastic) and ISO TC63 (Standardisation of glass containers made from the moulded glass used as a means of packaging.)