The arraigo may not exceed forty days and will be monitored under the authority of the official of the Public Prosecutor’s Office and the Police who is under their control and immediate orders in the investigation. The arraigo may be extended as long as the Public Prosecutor’s Office proves that the causes that gave rise to it still exist. In no case, may it exceed a total of eighty days. 41. Similarly, the 2016 reform of this law added the following after Article 12: Article 12 Bis.- The petition of arraigo or its extension must be resolved immediately by the judicial authority by any means that would ensure its authenticity, or in a prior hearing with only the official of the Public Prosecutor’s Office of the Federation present, within a period that does not exceed six hours after its receipt. The modalities of space, time, form, as well as the authorities that will execute it, shall be stated in the request. Article 12 Ter.- The judicial resolution that orders arraigo shall contain at a minimum: I. The name and office of the judge of control who authorizes the arraigo and the identification of the proceedings in which it is ordered; II. Information on the identification of the person subject to the measure of arraigo; III. Situations that the law indicates as offenses, for which an investigation is being conducted; IV. The rationale for the arraigo, specifying whether it is necessary for the success of the investigation, for the protection of persons, for legal goods, or whether there exists a well-founded risk that the accused will evade the action of justice; V. The day, hour and place of the execution of the measure of arraigo, and VI. The authorities that will execute the measure of arraigo; If the resolution is issued or registered by means other than written, the operating points of the order of arraigo must be transcribed and given to the official of the Public Prosecutor’s Office; Article 12 Quater.- In the event that the judge of control denies an order of arraigo or its extension, the official of the Public Prosecutor’s Office may correct the deficiencies and again request the order. Denial of a request of arraigo or its extension is subject to appeal, which shall be resolved no later than twelve hours after its filing. A.2. On pre-trial detention a) The norms in force when the events of the present case occurred 42. The Constitution of Mexico, in force when the events of the present case occurred, established that: Article 16.- No person shall be in his private affairs, or his house invaded, without a written order from a competent authority, duly explaining the legal cause of the proceeding. Only a judicial authority can issue an arrest warrant. Such arrest warrant shall always be preceded by a formal accusation or charge of misconduct considered a criminal offense, punishable with imprisonment, provided that there is evidence to prove that a crime has been committed and that the defendant is criminally liable. The authority issuing an arrest warrant shall bring the accused before the judge without any delay and under its sole responsibility. Failure to comply with this provision will be punished under criminal law. In cases of flagrante delicto, any person may detain the offender, turning him over without delay to the nearest authorities, which in turn, shall bring him before the Public Prosecution Service. A record of such arrest must be done immediately. 12