De maatregelen moeten zowel verplichte als vrijwillige maatregelen omvatten, bijvoorbeeld de International Maritime Organisation's Guidelines for the Control and Management of Ships' Biofouling, en voortbouwen op de ervaring in de Unie en in de lidstaten met het beheersen van bepaalde trajecten, bijvoorbeeld maatregelen die zijn vastgesteld op grond van het International Convention for the Control and Management of Ships Ballast Water and Sediments.
Action should include voluntary measures, such as the actions proposed by the International Maritime Organisation's Guidelines for the Control and Management of Ships' Biofouling, and mandatory measures and should build on the experience gained in the Union and in Member States in managing certain pathways, including measures established through the International Convention for the Control and Management of Ships Ballast Water and Sediments.