You must apply to the Registrar’s with a petition.

If you do not take a course, you do not have to pay tuition fees.

No you cannot.

If you do not have a course registration, you do not need to pay tuition fees.

No.

No.

If you canceled your registration before the beginning of the academic semester, you do not have to pay a student fee, no refund will be made.

After the course registrations are completed, refund procedures will be carried out by the Registrar’s.

If you need to pay a student fee, you must make your payment. Otherwise, your payment will be reflected in the following periods.

You must submit a petition to the Registrar's Office for the refund of student tuition fees.

Student  payments are reflected on SIS within 24 hours.

You can check whether you will pay a student fee or not from the Student service> student information> semester account statement from SIS. Student fee / tuition fee is paid on the dates specified in the academic calendar.

Follow the announcements on http://www.sis.itu.edu.tr/eng website.

Your course registration restriction is removed within 24 hours at the latest

You need to fill in the student contribution / tuition fee return form and apply to the Registrar's Office with a petition along with the original receipt.

You can deposit from all branches of the relevant bank, ATM, mobile and internet branches

You must apply to the Registrar's Office with a petition.

Since the sea internship is a compulsory course in your lesson plan, you have to pay a student fee.