This document describes main achievements of the eLTER PLUS project, task 4.2 (further T4.2). T4.2 aims to identify official data sources that provide official statistics relevant and useful for eLTER and propose a way to make them available to the eLTER user community. The document is also proposing and testing a standard workflow to retrieve available variables relevant for the eLTER Standard Observations from European and national statistics that are identified as relevant for LTSER platforms and associated eLTER sites.