Certain courses at Portland State University are offered under multiple grading options: Pass/No Pass and differentiated (A-F) grades. Other courses are offered only under one grading option. When multiple options are available, students generally select the preferred grading option at the time of registration but may make grading option changes until the end of the fifth week of the term. Grading option changes are made using the PSU Information System. or by submitting a Special Registration Form to the Registration windows in the lobby of Neuberger Hall.