I. Provided that the conditions in paragraph II are met, this Agreement does not cover procurement:
a by a procuring entity to an affiliated undertaking4, or
b by a joint venture, formed exclusively by a number of procuring entities for the purpose of carrying out activities within the meaning of paragraphs (a) to (f) of this Annex, to an undertaking which is affiliated with one of these procuring entities.
II. Paragraph I shall apply to services or supplies contracts provided that at least 80 per cent of the average turnover of the affiliated undertaking with respect to services or supplies for the preceding three years derives respectively from the provision of such services or supplies to undertakings with which it is affiliated5.