Which important order is that?

Tweet from Secretary Pompeo, official US twitter account, Secretary of State:
“There is no clash between Secretary Steven Mnuchin and me. We are simply working to resolve interagency mechanics of an important executive order.”
Tweet from Secretary Mnuchin:
“There is no disagreement between Secretary Pompeo and me regarding the implementation of the President’s Executive Order. We are coordinating closely on an interagency basis.”