Administration officials are loath to say that completing an agreement on all these outstanding issues is out of the question.
They also said the President's timetable of completing an agreement within 12 months was a goal and not a deadline.
On Wednesday, the banks had said they were completing an agreement.
The company is optimistic that it will be able to complete an agreement soon, people close to the investigation said.
In March, the league completed a new collective-bargaining agreement with its players union.
The two companies had completed an agreement on Sept. 30 for the purchase at $23 a share.
Each must therefore take on clear responsibilities so that we can complete an interinstitutional agreement by the end of the year.
But he suspended the effort because time was running short to complete a strong agreement.
They decided that silence gave them their best shot at completing an agreement.
In the next four months, the two countries are supposed to complete an agreement on a much broader exchange of artists and performers.
