The Eurostat-ECB (European Central Bank) Seasonal Adjustment Expert Group (SAEG) is the high level group of experts  in charge of the coordination of the Seasonal Adjustment activities in National Statistical Institutes (NSIs) and National Central Banks (NCBs) and reporting to the European Statistical System Committee (ESSC) and the European System of Central Banks Statistics Committee (STC).

Seasonal adjustment is an important step of the official statistics business architecture and harmonisation of practices has proved to be key element of quality of the output. In this spirit, since the 90s, Eurostat