Aqua signed an agreement of liaison with CEN the European Committee for Standardization.

On 28 October 2013 Mrs Elena Santiago Cid Director General of CEN and Mr Harald Tiemann President of Aqua signed an agreement of liaison between both organisations.

That agreement grants to Aqua experts the access and attendance to the following Technical Committees:

- CEN/TC 92   Water meters

- CEN/TC 164 Water supply

- CEN/TC 176  Heat meters

- CEN/TC 294  Communication systems for meters and remote reading of meters