The purpose of this document is to identify the range of instruments that are relevant to deep-sea fishing and its impacts on marine biological diversity in areas beyond national jurisdiction, with a view to providing advice to states on what steps may be necessary to implement these instruments at the national level. The document is specifically targeted at government officials who wish to familiarise themselves with the international instruments related to deep-sea fishing and its impacts on marine biological diversity in areas beyond national jurisdiction, as of January 2017