The military commission system wasn't brought under congressional authorization until 2006.

Such a measure, in good times and bad, the Court held, required congressional authorization.

"We understand completely that it can't happen without Congressional authorization."

Hell, I wish we did have congressional authorization for an invasion.

The most serious question has centered on whether or not the president needs congressional authorization to wage war.

This would require Congressional authorization of a few hundred million dollars, but much more if the loans go bad.

Congressional authorization is required before oil drilling may proceed in this area.

Not until after 9/11 was a congressional authorization sought.

He didn't have congressional authorization, he has gone against the Constitution.

Congressional authorization may be necessary to legitimize many executive acts.