Until recently, Congressional approval did not seem much at issue.

The second was to win Congressional approval of the deal.

For any time beyond 60 days, further congressional approval will be required.

Congressional approval was required for any design change within 25 years of the last.

The administration can spend the rest of the $40 billion without Congressional approval.

The official said many, if not all, of these changes could be made without Congressional approval.

Would a president have taken these actions on his own, without some form of Congressional approval?

Many such moves he could make on his own, without Congressional approval.

The effort would require Congressional approval of $1 million a year for at least two years, he said.

But the administration may be able to make the rule change without Congressional approval.