The secretariat has the honour to circulate, in the annex to the present note, weblinks to the rules of procedure of the United Nations Environment Assembly embodying amendments and additions adopted by the Environment Assembly and previously the Governing Council up to May 2016, which the ad hoc opened ended working group on a science-policy panel to contribute further to the sound management of chemicals and waste and to prevent pollution may wish to apply, mutatis mutandis, to its work. The present document has been issued without formal editing.