Contracting authorities can send commenting request
Commenters must have credentials for the Tender Service portal.
You can access this commenting round by the link you received to your email.
Login to Supplier Portal.
First you will see Basic information page which contains following details.
Depending on the commenting request, the page also includes sections related to criteria. In this case you can find suitability requirements open for comments
On the General comments tab you can leave comments and attachments.
When you are ready you can submit your comments from Send comments tab