III. Standard a technické normy
a) RFC 5280: Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
b) ETSI EN 319 401 v2.1.1 Electronic Signatures and Infrastructures (ESI); General Policy Requirements for Trust Service Providers
c) ETSI EN 319 411-1 v1.1.1 Electronic Signatures and Infrastructures (ESI); Policy and security requirements for Trust Service Providers issuing certificates; Part 1: General requirements