 It provided for repeal of the DADT policy and created a process for lifting the policy, including a U.S. Department of Defense study and certification by key officials that the change in policy would not harm military effectiveness, followed by a waiting period of 60 days.On the same day the U.S. Senate Armed Services Committee on a 16–12 vote advanced an identical measure to be included in the Defense Authorization Act.The amended defense bill passed the House on May 28, 2010.