the united nations convention on the law of the sea the convention unclos sets out the overarching international legal framework for all activities on the oceans and seas including the conservation and sustainable use of living marine resources it is complemented by the agreement for the implementation of the provisions of the united nations convention on the law of the sea of december relating to the conservation and management of straddling fish stocks and highly migratory fish stocks the agreement the latter sets out a comprehensive legal framework for the implementation of the provisions of the convention relating to the longterm conservation and sustainable use of straddling fish stocks and highly migratory fish stocks