The latest version of ILAC P14:09/2020 ILAC Policy for Measurement Uncertainty in Calibration has been published and is available from https://ilac.org/publications-and-resources/ilac-policy-series/
This document sets out the requirements and guidelines for the estimation and statement of uncertainty in calibration. This latest revision reflects the 2017 versions of ISO/IEC 17011 and ISO/IEC 17025. The policy continues to be based on the Guide to Uncertainty in Measurement (GUM) and retains the common understanding of the term CMC from the joint declaration issued by the BIPM and ILAC https://ilac.org/about-ilac/partnerships/international-partners/bipm/
The implementation date for this 09/2020 version of ILAC P14 is March 2021.