The Paris MoU Committee approved the 2018 inspection results and adopted new performance lists for flags and Recognized Organizations (ROs). These lists will apply from 1 July 2019. The list is based on the total number of inspections and detentions over a 3-year rolling period for flags with at least 30 inspections in that period.
Namely, the ‘White, Grey and Black (WGB) List’ presents the full spectrum, from quality flags to flags with a poor performance that are considered high or very high...
https://safety4sea.com/paris-mou-publishes-performance-list-for-2018-1-flag-added-to-white-list/