Article 3 | Watercourse Agreements 883.1 Commentary 893.1.1 Contractual relationship between the Conventionand pre-existing or future watercourse agreements 893.1.2 Relationship of the Convention to part of sharedwatercourse or specific projects and rights of thirdparties. 903.1.3 Significant adverse effects to other watercoursestates – Objective test 913.1.4 Negotiating watercourse agreements ingood faith 913.2 Application 923.2.1 Scenario – Do the rights and duties establishedby the Convention apply exclusively among parties tothe Convention? 923.2.2 Scenario – What scoping gaps can theConvention fill? 933.2.3 Scenario – Application of the Convention toexisting agreements where countries party to anexisting agreement are also party to the Convention 943.2.4 Scenario – Does the Convention requirewatercourse states to conclude a specific agreementbefore using an international watercourse? 943.3 Additional reading 95