No need. According to the regulations of the Education Bureau, you don't need to pay tuition fees to study in the National Development University, but you have to pay tuition fees from 50 yuan. The National Open University has two final exams every year, one in July 10 and the other in 10/0, both on weekends. Generally, six subjects are tested at a time for three days. Make-up exams in open universities usually begin in March and April.