As of August 2016[update], neither the International Commission on Stratigraphy nor the International Union of Geological Sciences (IUGS) has yet officially approved the term as a recognized subdivision of geological time,[1][6][3] although the Anthropocene Working Group (AWG) of the Subcommission on Quaternary Stratigraphy (SQS) of the International Commission on Stratigraphy (ICS), voted to proceed towards a formal golden spike (GSSP) proposal to define the Anthropocene epoch in the Geologic Time Scale and presented the recommendation to the International Geological Congress on 29 August 2016.[8]