Where necessary, it may be decided in accordance with the regulatory procedure referred to in Article 28(2) whether or not:
(a)((a)) a particular food belongs to a category of food referred to in Annex II; or
(b)((b)) a food additive listed in Annexes II and III and permitted at ‘quantum satis’ is used in accordance with the criteria referred to in Article 11(2); or
(c)((c)) a given substance meets the definition of food additive in Article 3.