Article 21U.K.Information of the parties concerned
1.The competent coastal station of the Member State concerned shall, as necessary, broadcast within the relevant areas any incident or accident notified under Article 17(1) and information with regard to any ship that poses a threat to maritime safety, the safety of individuals or the environment.
2.Competent authorities holding information notified in accordance with Articles 13 and 17 shall make adequate arrangements to provide such information at any time upon request for safety reasons by the competent authority of another Member State.
3.Any Member State the competent authorities of which have been informed, pursuant to this Directive or in some other way, of facts which involve or increase the risk for another Member State of a hazard being posed to certain shipping areas and coastal zones, shall take the appropriate measures to inform any interested Member State thereof as soon as possible and consult it regarding the action being envisaged. Where appropriate, Member States shall cooperate with a view to pooling the arrangements for joint action.
Each Member State shall make the necessary arrangements to use fully the reports which ships are required to transmit to them pursuant to Article 17.