The  ISO International Workshop Agreement (IWA) Session #2 on “Guidance Principles for the Sustainable Management of Secondary Metals” was organised by the World Resources Forum (WRF) and the Swiss Association for Standardization (SNV) via teleconference on 12 April 2016. The Report summarises the main agreements reached by the participants of the Session #2, which will be considered in the next Draft of the Guidance Principles (‘Draft 2’).