 On the revision of the International System of Units (SI), 26th CGPM Resolution 1 (2018)

Online text: www.bipm.org/en/committees/cg/cgpm/26-2018/resolution-1

Resolution 1 adopted by the 26th CGPM in 2018, with the revised definitions effective on 20 May 2019. The CGPM is the issuer and BIPM the host. Adoption, implementation and brochure publication are different dates.

Cited passages: Resolution 1 of the 26th CGPM (2018), effective date; Appendix 2, third bullet; Appendix 3, kelvin definition.