3-45. Control measures are established under a commander’s authority; however, commanders may authorize staff officers and subordinate leaders to establish them. Commanders may use control measures for several purposes: to assign responsibilities, require synchronization between forces, impose restrictions, or establish guidelines to regulate freedom of action. Certain control measures belong to the commander alone, and may not be delegated. These include the commanders’ intent, unit mission statement, planning guidance, and CCIRs and essential elements of friendly information.