Use an en dash rather than a hyphen. Acceptable on second reference in external publications and in all internal communication for the University of Wisconsin–Madison. Do not use the with UW–Madison: research at UW–Madison. To prevent confusion with other UW System units, do not use the UW as a substitute for UW–Madison, except when the context is clearly UW–Madison or the entity is officially named University of Wisconsin rather than University of Wisconsin–Madison (UW Hospital and Clinics, UW Credit Union). See also CMS 6.39 and 6.81 and University of Wisconsin, the; and UW, the.