But so far, the Legislature has not provided the legal authorization for the center to be closed.

But there is no identifiable general principle determining which acts of government require positive legal authorization in order to be lawful.

Work permit is a generic term for a legal authorization which allows a person to take employment.

To get the keys, law enforcement officials or intelligence agencies would have to obtain legal authorization.

"Certainly laws were violated because you can't pay somebody without legal authorization."

They have legal authorization to set up surveillance and wiretaps.

"Access to these keys will be limited to Government officials with legal authorization to conduct a wiretap," the Administration said.

Historically, military and intelligence agencies have not been permitted to spy on Americans without extraordinary legal authorization.

At least four other private institutions were operating without legal authorization in 1989.

This created the legal authorization to award medals to the members of the NC-4 crew.