4. The notified body must be able to demonstrate that those of its employees who are responsible for carrying out the assessment and verification operations:—
(a)have had proper technical and vocational training in relation to the operations that they are to carry out;
(b)possess a satisfactory knowledge of the requirements relating to the operations that they carry out and sufficient practice in carrying those operations;
(c)possess the ability to draw up any such certificates, records and reports as may be required as formal record of the inspections conducted; and
(d)are required to maintain professional confidentiality with regard to everything they learn in the performance of their duties.