applicable international law and with the objectives of this Convention. In no case shall there be restrictions on the right to information referred to in article 18 that could constitute conduct defined in article 2 or be in violation of article 17, paragraph 1. 2. Without prejudice to consideration of the lawfulness of the deprivation of a person’s liberty, States Parties shall guarantee to the persons referred to in article 18, paragraph 1, the right to a prompt and effective judicial remedy as a means of obtaining without delay the information referred to in article 18, paragraph 1. This right to a remedy may not be suspended or restricted in any circumstances. Article 21 Each State Party shall take the necessary measures to ensure that persons deprived of liberty are released in a manner permitting reliable verification that they have actually been released. Each State Party shall also take the necessary measures to assure the physical integrity of such persons and their ability to exercise fully their rights at the time of release, without prejudice to any obligations to which such persons may be subject under national law. Article 22 Without prejudice to article 6, each State Party shall take the necessary measures to prevent and impose sanctions for the following conduct: (a) Delaying or obstructing the remedies referred to in article 17, paragraph 2 (f), and article 20, paragraph 2; (b) Failure to record the deprivation of liberty of any person, or the recording of any information which the official responsible for the official register knew or should have known to be inaccurate; (c) Refusal to provide information on the deprivation of liberty of a person, or the provision of inaccurate information, even though the legal requirements for providing such information have been met. Article 23 1. Each State Party shall ensure that the training of law enforcement personnel, civil or military, medical personnel, public officials and other persons who may be involved in the custody or treatment of any person deprived of liberty includes the necessary education and information regarding the relevant provisions of this Convention, in order to: (a) Prevent the involvement of such officials in enforced disappearances; (b) Emphasize the importance of prevention and investigations in relation to enforced disappearances; (c) Ensure that the urgent need to resolve cases of enforced disappearance is recognized. 2. Each State Party shall ensure that orders or instructions prescribing, authorizing or encouraging enforced disappearance are prohibited. Each State Party shall guarantee that a person who refuses to obey such an order will not be punished. 3. Each State Party shall take the necessary measures to ensure that the persons referred to in paragraph 1 of this article who have reason to believe that an enforced disappearance has occurred or is planned report the matter to their superiors and, where necessary, to the appropriate authorities or bodies vested with powers of review or remedy. Article 24