– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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Attendance and registration

The meeting of the General Conference on Weights and Measures (CGPM) is a diplomatic event. Delegates at the meeting of the CGPM represent the Member States of the BIPM and the Associates of the CGPM, and each delegate must therefore be designated by their State as being entitled to represent it and to act on its behalf. This credential must be issued by and bear the signature of an authority with power to bind the State, such as the Head of State, the Minister of Foreign Affairs (or the head of the competent diplomatic mission) or the Minister responsible for the questions discussed by the Conference.

The Governments are requested to inform the Director of the BIPM of the composition of their delegation no later than two weeks before the opening of the General Conference meeting, i.e. by 30 October 2018. The BIPM can only issue invitation letters (for visas etc.) when this official communication detailing the composition of the delegation has been received from the government.

Delegates should present their credentials on arrival the first morning of the meeting; the Palais des Congrès will open at 08:30.

The convocation to the 26th meeting of the CGPM will be sent to all the States Parties to the Metre Convention and to all the Associates, through official channels, in February 2018. A copy of the convocation will also be sent to the Directors of the National Metrology Institutes of the Member States and Associates of the CGPM.

For further information, please contact Céline Fellag Ariouet.