This indicator expressed as a URI indicates that:

For trust services listed under a service type specified in clause 5.5.1.2: In compliance with the provisions laid down in the applicable national legislation, it indicates that the Supervisory Body identified in the "Scheme operator name" (see clause 5.3.4) on behalf of the Member State identified in the "Scheme territory" (see clause 5.3.10) has granted an "approved" status, as recognized at national level, to the corresponding trust service identified in "Service digital identity" (see clause 5.5.3) and to the trust service provider identified in "TSP name" (see clause 5.4.1) for the provision of that service, as both the TSP and the trust service it provides meet the provisions laid down in Regulation (EU) No 910/2014 [i.10] and the applicable national legislation.
For NationalRootCA-QC type: The service is set by national law in accordance with the applicable European legislation and operated by the responsible national body issuing root-signing or qualified certificates to accredited trust service providers.

For other trust services listed under a service type specified in clause 5.5.1.3: In compliance with the provisions laid down in the applicable national legislation, it indicates that the Supervisory Body identified in the "Scheme operator name" (see clause 5.3.4) on behalf of the Member State identified in the "Scheme territory" (see clause 5.3.10) has granted an "approved" status, as recognized at national level, to the corresponding trust service identified in "Service digital identity" (see clause 5.5.3) and to the trust service provider identified in "TSP name" (see clause 5.4.1) for the provision of that service, as both the TSP and the trust service it provides meet the provisions laid down in the applicable national legislation.