Services provided to their members by groups formed by natural or legal persons carrying out an activity exempt from value added tax on the basis of 4, with the exception of 10°, and 7 of article 261, or for which they do not have the status of a taxable person, are exempt from this tax on condition that they contribute directly and exclusively to the performance of these transactions which are exempt or excluded from the scope of application of value added tax and that the sums claimed from the members correspond exactly to the share incumbent on them in the common expenses.
A decree shall determine the nature of the specific information that the companies mentioned in the first paragraph must provide annually to the tax department, independently of the declarations whose production is already provided for by this code (1).