Please check in the details of the procedure the "Deadline for submission of questions". If the date has already passed, it is no longer possible to submit the question via the platform. If the date does not appear, it means that it is not possible to submit questions via the platform. In this case, it is advisable to consult the tender documents to see how to submit questions and, if necessary, to contact the contracting authority at the addresses indicated in the contract notice or tender documents.