(Articles 43 and 48 EC – Conditions for the registration of sea-going vessels in the Netherlands – Condition concerning the nationality of the shareholders and directors of companies owning sea-going vessels – Condition concerning the nationality of the natural persons responsible for the day-to-day management of the establishment in the Netherlands of a company owning sea-going vessels – Condition concerning the nationality and place of residence of the directors of companies owning sea-going vessels registered in the Netherlands)