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 which the personnel carry out and adequate authority to carry out those assessments;

appropriate knowledge and understanding of the essential safety requirements, of the applicable harmonised standards and of the Directive and of these Regulations; and

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