liberty before being brought before a judicial authority. Article 5 Article 6 Article 7  Information about challenging the lawfulness of an arrest; obtaining a review of the detention; or making a request for provisional release.  Drafted in simple and accessible language.  Suspect or accused receive the letter written in a language that they understand.  Model example provided in Annex 1. Letter of Rights in European Arrest Warrant Proceedings  Persons who are arrested for the purpose of the execution of a European Arrest Warrant shall be promptly provided with a Letter of Rights to safeguard the fairness of proceedings and the effective exercise of the rights of the defence.  Model example provided in Annex 2. Right to information about the accusation  Entitles suspected or accused persons to information about the criminal act that they are suspected or accused of having committed.  Persons who are arrested or detained are to be informed of the reasons for their arrest or detention.  Ensures detailed information is provided, at the latest in court, on the accusation, including the nature and legal classification of the criminal offence, as well as the nature of participation by the accused.  Any changes in the information given are to be promptly informed to the suspect or accused person.  Documents which are essential to challenging effectively the lawfulness of the arrest or detention should be made available to arrested persons or their lawyers.  Access must be granted at least to all material evidence in possession of the competent authorities, to those persons or their lawyers in order to safeguard the fairness of the proceedings.  Access to the materials shall be granted in due time to allow the effective exercise of the rights of the defence and at the latest upon submission of the merits of the accusation to the court.  Without prejudice to the requirement relating to documents essential to challenging detention, access may be refused if it may lead to a serious threat to the life or the fundamental rights of another person or to safeguard public interest. Right of access to the materials of the case 10