nayana-c1.867c992ae9100904cc61c84591adf0f8f863e0387e30f0d0dbc86640e9f50a1a.en.train.394026

The task

Which document provides guidance on the estimation of a consensus KCRV and associated Degrees of Equivalence? A. CCQM Guidance note: Estimation of a consensus KCRV and associated Degrees of Equivalence, 12 April 2013 B. CCEM Guidelines for planning, organizing, conducting and reporting key, supplementary and pilot comparisons, 21 March 2007 C. CCM Guidelines for approval and publication of the final reports of key and supplementary comparisons, 30 June 2016 D. Final report on the CIPM air speed key comparison (CCM.FF-K3), BIPM KCDB Database, October 2007 Return only the single uppercase letter of the correct option.