The justices determined that school boards had an "affirmative duty" to desegregate their schools.

The prosecution hoped to establish a law requiring officers to "have an affirmative duty to protect prisoners in their custody from abuse".

While there is seldom an affirmative legal duty to report wrongdoing, having been asked about the fall you ought not have lied.

The company has no affirmative duty to comment on important corporate developments.

The Court rejected this argument and found such general knowledge was still insufficient for eBay to take an affirmative duty.

The first decision created an affirmative duty of unions to denounce violence on strike picket lines.

In addition, eBay had no affirmative duty to search for potentially infringing items without specific knowledge.

But in fact, from a legal standpoint, they have an affirmative duty not to condone objectionable behavior.

Attorneys have a very strong affirmative duty to disclose.

The Government has no affirmative duty to "commit any resources to facilitating abortions."