The competent authority shall ensure that all of its staff performing official controls:
((a))
receive, for their area of competence, appropriate training enabling them to undertake their duties competently and to carry out official controls in a consistent manner. This training shall cover as appropriate the areas referred to in Annex II, Chapter I;
((b))
keep up-to-date in their area of competence and receive regular additional training as necessary; and
((c))
have aptitude for multidisciplinary cooperation.