Within the framework of the implementation of the Arab Accreditation Cooperation(ARAC) capacity Building program Sudanese accreditation council (SDAC) participated with more than 100 ARAC member in the Regional on estimation and statement of uncertainty and the new version of “ILAC P14:09/2020 ILAC Policy for Measurement Uncertainty in Calibration” through internet during the period 22nd – 23rd June 2021. The regional training workshop instructed by Eng. Mahmoud Eltayeb covered the requirements and guidelines for the estimation and statement of uncertainty in calibration and will support ARAC ABs members to implement the new requirements of ILAC P 14, which is 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.