It's foreseen in the agreement that after three years of ratification there can be further discussions about these issues. At the moment, I don't have the capacity to give you the information about whether that will be the case, but I could imagine, personally, that there is a basis to continue, and if there is interest from both sides, they will go to these issues, I'm sure.
On March 31st, 2008. See this statement in context.