This report provides an update on the progress made with regards to the activities of the Secretariat. As this is the final report covering the 2017 calendar year, the report provides a summary of progress against the overarching goals and priorities identified in the Secretariat’s 2017 work programme, noting that many of these goals carry over and are expanded in the Secretariat’s 2018 work programme. The report covers the period from adoption of the Secretariat’s 2017 work programme at the sixteenth meeting of the Board up to 31 December 2017, with a focus on developments since the last reporting period.