I challenge the very legality of this tribunal because it was not set up on the basis of the law.

And several lawsuits challenging the legality of the measure have threatened the program since before it began.

This case is significant because it challenges the legality of being able to operate the military on a "neutral" site.

"Otherwise," he said, "I'm prepared to go to court to challenge the legality of this measure."

Once again, a taxpayer challenged the legality of the income tax.

The club challenged the legality of this move in court.

In such a case, he could not later challenge the legality of the condition.

The Administration has not challenged the legality of the state statute directly in court.

The party challenged the legality of the investigation, arguing that the institute had approved the 1994 campaign spending reports in 1995.

In 1952 members of the German parliament went to court to challenge the legality of the agreement.