This indicator expressed as a URI indicates that it is ensured by the trust service provider and controlled (supervision model) or audited (accreditation model) by the referenced Member State (respectively its Supervisory Body or Accreditation Body) that all Qualified Certificates issued under the service identified in "Service digital identity" and further identified by the filters information used to further identify under the "Sdi" identified trust service that precise set of Qualified Certificates for which this additional information is required with regards to the presence or absence of Secure Signature Creation Device (SSCD) support ARE supported by an SSCD (i.e. that means that the private key associated with the public key in the certificate is stored in a Secure Signature Creation Device conformant with the applicable European legislation).

This value shall not be used if the service type is not

http://uri.etsi.org/TrstSvc/Svctype/CA/QC