What is the 'Montreux Record', often seen in the context of the Ramsar Convention?

1. AA global inventory of migratory waterbirds and their population status.
2. BA list of all wetlands of international importance across the world.
3. CA record of financial contributions made by member countries to the Ramsar Convention.
4. DA register of wetland sites on the List of Wetlands of International Importance where changes in ecological character have occurred, are occurring, or are likely to occur.