You can register either as an individual or as a company. This information is used, for example, to prepare the case and the offer. Once you have registered, you can continuously track the progress of the status of your request.
Once you have registered, you will receive a case number. Using this, you can, at a glance, track the status of your requests with the various utilities involved.
If you don't have all the information you need for your registration to hand at this moment, then you can always save your details temporarily and add to them later by entering your case number.