Sums corresponding to the share of profits made by joint agricultural interest companies that is allocated to suppliers or customers who are farmers or bodies mentioned in article L 541-1 of the Code rural et de la pêche maritime, in proportion to the transactions carried out by each of them, are allocated free of corporation tax when the latter are members or members of one of the organisations referred to in the aforementioned article, which is itself a member and insofar as they derive from transactions carried out with them.