Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers (ETSI EN 319 401 V2.1.1 (2016-02)) (english version)
Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers supporting Electronic Signatures (ETSI EN 319401 V1.1.1 (2013-01))
Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers supporting Electronic Signatures (ETSI EN 319401 V1.1.1 (2013-01))