Re-sit examinations for the IBA B1, B2 and B3 written examinations are held in June and July. With the exception of the Bachelor 1 course examinations, students have a free choice in the number of times that they wish to take a written examination. Per September 2012, the last-result rule will be applied. If the material to be studied for an examination has changed, the new material must be studied.
As for the Bachelor 1 course examinations, students may take part in no more than 4 of the B1 re-sit exams (in the July re-sit period) per year. This regulation is part of the Examination Regulations BSc IBA (Section 3, Art. 3.1).