China also reached a final accord with Mexico this week, which was the only other remaining obstacle to joining the trade body.
A Federal court judge is now considering the proposal, and a final accord seems imminent.
The agreement, as part of a final accord on human rights and European security, is scheduled to be signed next week.
Second, there will be no final accord in the nuclear category alone.
The two sides have announced Sept. 13 as a deadline for the final accord.
But they say that continuing differences could delay or water down a final accord.
They disagreed, however, on how close they were to a final accord.
Despite frequent meetings between the two nations' leaders, no final accord has been reached.
Unless a final accord is reached soon, some experts fear, a major opportunity will be lost.
So far, however, the administration has not been able to reach a final accord with the New York tribe.