Where a purchaser concludes a single contract intended to satisfy objectively indissociable needs which, on the one hand, are covered by the ordinary law on contracts set out in Book I of Part Two or Book II of Part Two relating to partnership contracts and, on the other hand, are not covered by this Code, the contract shall be 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 Books I or II of Part Two.