The BIPM-ITU Memorandum of Understanding was signed electronically by Dr Wynand Louw, President of the CIPM on 29 June 2020, and by Mr Mario Maniewizc, Director of ITU Radiocommunication Bureau on 30 June 2020.

The BIPM and ITU cooperate to ensure coordination on issues related to UTC, realization and dissemination and that ITU-R documentation including recommendations, reports and handbooks relevant to time and frequency dissemination signals, particularly when concerned with terminology, nomenclature, symbols and other conventions, is consistent with the SI.

The BIPM is a Sector Member of ITU-R. ITU and BIPM are both partners in INetQI and ITU participates in the CCTF.