The governor of Iowa is the head of government of the U.S. state of Iowa. The governor is the head of the executive branch of the state government and is charged with enforcing state laws. The officeholder has the power to either approve or veto bills passed by the Iowa General Assembly, to convene the legislature, as well as to grant pardons, except in cases of treason and impeachment. The governor of Iowa is also the commander-in-chief of the state's military forces. The governor has the ability to sign executive orders, these have ranged from topics including the establishment of councils, committees and task forces, and appropriation reductions to prevent a state budget deficit.