From Aug. 30 through Sept. 26, students who drop all classes in 5-Wk Session 1 are required to pay 100 percent of tuition and fees (no refund), and W grades are posted to transcripts. Students may not withdraw after Sept. 26. See Special Sessions (www.colorado.edu/registrar/students/registration/special-sessions) and Withdraw from the Semester (www.colorado.edu/registrar/students/withdraw).