Pavel Bobek, Head of Economic & Commercial Section at the Embassy of the Czech Republic, met IMO's Frederick Kenney, Director, Legal Affairs and External Relations Division today (27 August) to deposit instruments of accession to the treaty that addresses air pollution and emissions from shipping (MARPOL Annex VI). Among other things, MARPOL Annex VI sets limits on sulphur oxide and nitrogen oxide emissions from ships’ exhausts and prohibits deliberate emissions of ozone-depleting substances. It entered into force on 19 May 2005.