It emphasizes the importance of dealing with Iraq on a multilateral basis.
But the official declined to comment on whether there were active negotiations now under way to set up such a reference zone on a multilateral basis.
"This is a way that the United States can show tremendous leadership on a multilateral basis," he said.
It also stresses the need to deal with threats to world peace "in accordance with international law and, whenever possible, on a multilateral basis."
Our approach is by way of the Security Council, a route which, fortunately, we have managed to make binding on a multilateral basis.
It is a challenge that we must face together by intensifying security cooperation on a bilateral and multilateral basis.
It is good that we are cooperating on a multilateral basis with this area.
It cannot be that one member country is able to dictate such matters unilaterally to institutions which are respected on a multilateral basis.
"It's only when we move on a multilateral basis that any country, including the United States, will find the political will to deal with this problem."
Voice peering can occur on a bilateral or multilateral basis.