Article 3
Antidotes Each Member State shall take the measures necessary to ensure that: 1. any vessel flying its flag or registered under its plenary jurisdiction and carrying any of the dangerous substances listed in Annex III carries on board medical supplies including at least the antidotes listed in Section III of Annex II; 2. any ferry-type vessels flying its flag or registered under its plenary jurisdiction, whose conditions of operation do not always allow it to know well enough in advance the nature of the dangerous substances being transported, has on board medical supplies including at least the antidotes listed in section III of Annex II. However, on a regular where the crossing is due to last less than two hours, the antidotes may be limited to those which have to be administered in cases of extreme emergency within a period of time not exceeding the normal duration of the crossing; 3. the contents of the medical supplies, as regards antidotes, shall be detailed on a check list corresponding at least to the general framework laid down in Annex IV, sections A, B and C, II 3.