Where a conceding authority decides to enter into a single contract intended to satisfy objectively separable needs which, on the one hand, are covered by the general law on concession contracts set out in Book I of Part Three and, on the other hand, are not covered by this Code, the contract shall be subject to this Book.
Where the subject of the contract is several activities, only one of which constitutes a network operator activity, it is subject to the provisions applicable to its main subject. Where the main purpose of the contract cannot be objectively determined, the contract is subject to the provisions of Book I of Part Three.