A supplementary exam is an additional exam (or other form of assessment) that may be approved for a student in the following circumstances:
This is a second chance to pass the subject and students must pass the supplementary exam to gain a pass overall. The best possible result from a supplementary exam is SP (supplementary pass) or SS (supplementary pass in an ungraded subject).
Supplementary exams are scheduled after the formal exam period, and may not be available for all subjects, or for all examination types.
are your second chance at achieving the marks you need to pass your course. You can also qualify for a supplementary exam if you have a valid reason for missing the original exam. This exam takes place a few weeks after the initial exams are taken.