sound technical and vocational training covering all the conformity assessment activities in relation to which the conformity assessment body has been notified;

satisfactory knowledge of the requirements of the assessments they carry out and adequate authority to carry out those assessments;

appropriate knowledge and understanding of the requirements set out in Annex I to the Directive, of the applicable harmonised standards, and of the relevant provisions of European Union harmonisation legislation and of national legislation;

the ability to draw up certificates, records and reports demonstrating that assessments have been carried out.