Corunna Corrigendum (as of June 20th, 1995) 5.10 Fortification Hexsides and the False Attack: [Omission] Unoccupied fortification hexsides may be crossed if: 1) The unit begins its movement adjacent to the fortified hexside, and; 2) It ends its move still adjacent to this same hexside (but having crossed to the other side), and; 3) it ends this move in disorder. Exception: The French sapeur battalion does not have to end this special move in disorder. Units that disorder upon crossing do not retreat as a result of disordering.