The standard was to apply from 1st January 2016 for
G-SIBs who were defined as such no later than November 2012. However, a
Report on the Thematic Review on effective risk data aggregation and risk reporting published in May 2018 by the
European Central Bank. notes that "Thus far, none of those [25] significant institutions – some of which are classified as global systemically important banks – have fully implemented the BCBS 239 principles", adding that "Weaknesses stem mainly from a lack of clarity regarding responsibility and accountability for
data quality". The report concludes, amongst other points, that "Full implementation of the BCBS principles will probably not be achieved any time soon, as several credit institutions’ implementation schedules are set to run until the end of 2019 or beyond." ==References==