DIN EN 319401:2016 Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers (Endorsement of the English version EN 319 401 V2.1.1 (2016-02) as German standard)
2021DIN EN 319401:2021 Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers (Endorsement of the English version EN 319 401 V2.3.1 (2021-05) as a German standard)
2018DIN EN 319401:2018 Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers (Endorsement of the English version EN 319 401 V2.2.1 (2018-04) as a German standard)
2016DIN EN 319401:2016 Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers (Endorsement of the English version EN 319 401 V2.1.1 (2016-02) as German standard)
2013DIN EN 319401:2013 Electronic Signatures and Infrastructures (ESI) - General Policy Requirements for Trust Service Providers supporting Electronic Signatures (Endorsement of the English version EN 319401 V1.1.1 (2013-01) as German standard)