The Director may promulgate regulations exempting from any labeling requirement of this Act:
(1) small open containers of fresh fruits and fresh vegetables and(2) food which is, in accordance with the practice of the trade, to be processed, labeled or repacked in substantial quantities at establishments other than those where originally processed or packed, on condition that such food is not adulterated or misbranded under the provisions of this Act upon removal from such processing, labeling or repacking establishment. Food labeling exemptions adopted under authority of the Federal Food, Drug and Cosmetic Act and supplements thereto or revisions thereof shall apply to food in this State except insofar as modified or rejected by regulations promulgated by the Director.