where is the bureau responsible for regulating the international system of measurement located
International Bureau of Weights and Measures The BIPM was created on 20 May 1875, following the signing of the Metre Convention, a treaty among 51 nations (as of August 2008[update]).[3] It is based at the Pavillon de Breteuil in Sèvres, France, a 4.35 ha (10.7-acre) site (originally 2.52 ha (6.2 acres))[4] granted to the Bureau by the French Government in 1876, where it enjoys extraterritorial status,[5][dubious – discuss] a status that was clarified by the French decree No 70-820 of 9 September 1970.[4]