The franchise fee is the archetype of the transfer price. It is perfectly legal — the franchisor has the right to be paid for its brand and know-how — but its rate is set within the group, and therefore without genuine negotiation. Increasing it shifts taxable profit from one country to another.
The whole tax question therefore comes down to a counterfactual comparison: would an independent company have agreed to pay that rate? That is what the administration challenged in the McDonald's case, regarding the fees flowing up from French restaurants to a Luxembourg entity of the group.
The reader of the Antibes case file finds here, transposed to the scale of a multinational group, the question an operator asked himself when looking at his account statements: what exactly does what I pay correspond to?