A full refund less a $15 processing fee will be provided for any cancellation requests received prior to October 1, 2026 at 8:00 AM CT. No refunds will be provided after October 1, 2026. Substitutions will not be allowed after this date. All cancellation requests must be submitted in writing via email to Outreach Registration at outreachregistration@niu.edu & dph.cmhs.info@illinois.gov