28th meeting of the CGPM
About the CGPM
The General Conference on Weights and Measures (CGPM) is the BIPM's plenary and policy-making body and supreme authority, composed of representatives of Member States. It meets every four to six years to make decisions on scientific, institutional and financial matters related to the BIPM and its work.
The 28th meeting of the CGPM
from
at the Palais des Congrès de Versailles,
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Resolutions/Recommendations
On the dotation of the International Bureau of Weights and Measures for the years 2028 to 2031
On universal adherence to the Metre Convention
On the further digital transformation of the global metrology system
On the future definition of the second
On the technical actions needed to ensure the continuity of UTC
On the definition of an international lunar reference time scale and its traceability to UTC
On the adoption of Rules of Procedure of the General Conference on Weights and Measures
Legal and institutional framework
Authority of the CGPM
“The International Bureau shall operate under the exclusive direction and supervision of an International Committee for Weights and Measures, itself placed under the authority of a General Conference on Weights and Measures consisting of the delegates of all the contracting Governments.”
Excerpt from the Metre Convention (1875): Article 3 (BIPM translation)
Mandate and voting
“The General Conference, mentioned in Article 3 of the Convention, shall meet in Paris, on the convocation of the International Committee at least once every six years. Its mission is to discuss and instigate measures necessary for the propagation and improvement of the metric system as well as to approve new fundamental metrological determinations that might have been made in the interval between its meetings. It receives the Report of the International Committee on work accomplished […].
Votes at a General Conference are made by States, each State has the right to one vote. Members of the International Committee have a seat as of right at meetings of the Conference; they may, at the same time, be delegates of their Governments.”
Excerpt from the Regulations annexed to the Metre Convention (1875): Article 7 (BIPM translation)
BIPM contact
Head of the Director's Office and Meetings Office
Bureau international des poids et mesures
France