The matter may also be referred to the mediator by one of the parties. He shall inform the other parties of this request, by registered letter with acknowledgement of receipt, within eight days, and they shall have a period of one month in which to make their position known by registered letter with acknowledgement of receipt and, in the event of disagreement over the choice of mediator, to propose another mediator.
As soon as the choice of mediator has been agreed by all the parties, the chosen mediator shall inform them by registered letter with acknowledgement of receipt.