A/HRC/1/L.10 page 44 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 punish 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;