The person making the claim can access the information relating to the owner of the economic activity contained in the file, to the extent that it would be a legal person. You could also access it if you were a natural person, taking into account the concurrent circumstances, with the exception of the data relating to the DNI number or other identification or contact data that are not strictly professional. The access would also cover the information of the professional who signs the technical certificate, except for his ID number and signature.