The Department of Health and Human Services challenged developers to create apps that empower young adults to prevent abuse and violence.

The Department of Human Services had challenged the marriage of Willis Rouse, 38, currently in prison for a parole violation and escape, to a 15-year-old girl.

The Department of Labor challenged the public to create software tools in order to raise awareness of laws that ensure fair and safe workplaces.

The Department for Transport challenged the promoters of 45 schemes to reduce the costs whilst maintaining value for money.

The Department of Homeless Services has challenged the criticism, saying it inspects apartments before certifying them for leasing.

The Department of Health and Human Services is challenging the public to help enroll uninsured children in Medicaid or CHIP coverage.

The Department of Justice challenged Kay's ruling in Kiyemba v. Bush in July 2006.

The Department of Trade and Industry yesterday challenged the report's figures, saying government statistics showed that almost 40% of all employees - 9.7 million - already have some kind of flexible arrangement.

The Department of Defense challenged the public to design a kit for use in humanitarian assistance and disaster relief (HA/DR) situations.

The Department of Labor challenged the public to create data visualizations that assist in planning education or training, making career choices, moving to a new area, or negotiating pay.