Do I have to cancel the course registration if I can't come? To tointerested parties the chance to participate in the course, we ask you to cancel your registration in time.(wurde automatisch übersetzt) Related articles How can I cancel my enrollment in a course? Do I have to register for the course? Do I need to bring anything to attend the course? Which courses can I use as a Holmes Place member? Should I let the instructor know if I am taking a class for the first time?