Artikel 13

1. Where any Parties border the same transboundary waters, as a complement to their other obligations under articles 11 and 12, they shall cooperate and, as appropriate, assist each other to prevent, control and reduce transboundary effects of water-related disease. In particular, they shall:
a) Exchange information and share knowledge about the transboundary waters and the problems and risks which they present with the other Parties bordering the same waters;
b) Endeavour to establish with the other Parties bordering the same transboundary waters joint or coordinated water-management plans in accordance with article 6, paragraph 5 b), and surveillance and early-warning systems and contingency plans in accordance with article 8, paragraph 1, for the purpose of responding to outbreaks and incidents of water-related disease and significant threats of such outbreaks and incidents, especially from water-pollution incidents or extreme weather events;
c) On the basis of equality and reciprocity, adapt their agreements and other arrangements regarding their transboundary waters in order to eliminate any contradictions with the basic principles of this Protocol and to define their mutual relations and conduct regarding the aims of this Protocol;
d) Consult each other, at the request of any one of them, on the significance of any adverse effect on human health which may constitute a water-related disease.
2. Where the Parties concerned are Parties to the Convention, the cooperation and assistance in respect of any transboundary effects of water-related disease which are transboundary impacts shall take place in accordance with the provisions of the Convention.