There are mandatory positions established by each institution. In the case of DkIT, annually, in addition to the enrollment, you must pay € 125 / year for the use of sports facilities and the institution’s campus.
On the other hand, it is a requirement to have health insurance that covers your stay in the country on an annual basis.
Yes, but the number of fractions, amounts and date of payment of the same will depend on each institution. In the case of DkIT, payment must be found before starting classes: the deposit (€ 500) and at least 60% of the tuition. The remaining amount must be paid in January of the year following the start of classes (September).
The restrictions stipulated by each institution apply. Regularly, if the cancellation is prior to the start of the course, all registration fees are refunded and there will be an administrative management penalty. If it is canceled once the course has started, the case will be evaluated individually by the institution and there will be a formal response according to the causes of cancellation or postponement.