In application of the fifth paragraph of l’article 720, the President of the Enforcement Division of the Court of Appeal may be requested to do so by the offender or the Public Prosecutor, or may do so on his or her own initiative if the Enforcement Judge has not issued a decision on the release of the offender under restraint from the date on which the sentence served is equal to twice the remaining sentence. Referral by the sentenced person is made by registered letter with acknowledgement of receipt or in accordance with the procedures set out in article 503. The President of the Enforcement Division of the Court of Appeal renders its decision within one month of the matter being referred to it.