The present document contains requirements for the competence, consistent operation and impartiality of conformity
assessment bodies assessing and certifying the conformity of Trust Service Providers (TSPs) and the trust services they
provide towards defined criteria against which they claim conformance.
The present document also contains requirements for the conformity assessment of trust services component services,
which later forms part of a separate conformity assessment of a TSP.
The present document applies the general requirements of ISO/IEC 17065 [1] to the specific requirements of
conformity assessment of TSPs.
The present document is part 1 of a multi-part deliverable. Other parts include:
• ETSI TS 119 403-2 [i.14]: "Electronic Signatures and Infrastructures (ESI); Trust Service Provider Conformity
Assessment; Part 2: Additional requirements for Conformity Assessment Bodies auditing Trust Service
Providers that issue Publicly-Trusted Certificates".
• ETSI TS 119 403-3 [i.15]: "Electronic Signatures and Infrastructures (ESI); Trust Service Provider Conformity
Assessment; Part 3: Additional requirements for conformity assessment bodies assessing EU qualified trust
service providers".