Where a concession contract covers several activities, at least one of which constitutes a network operator activity, and whose main purpose can be determined, the following rules apply:
1° Where the contract covers both a network operator activity other than that mentioned in c of 1° or in 4° of article L. 1212-3 and another activity that is not a network operator activity, it is subject to the provisions applicable to its main purpose;
2° Where the contract concerns both a network operator activity mentioned in c of 1° or 4° of Article L. 1212-3 and another activity that is not a network operator activity, it is subject to the provisions applicable to contracting authorities.