Catholic Church are recognised as independent and sovereign, each within its own sphere. Freedom of religion is also recognised, with all religions having the right of self-organisation, as long as they don't conflict with the law, and the possibility to establish a relation with the State through agreements. In particular, Article 7 recognises the Lateran Treaty of 1929, which gave a special status to the Catholic Church, and allows modification to such treaty without the need of constitutional amendments. In fact, the treaty was later modified by a new agreement between church and state in 1984. The Principles mention the international law and the rights of the foreigner, in particular the right of asylum for people who are denied in their home country the freedoms guaranteed by the Italian Constitution, or who are accused of political offences. They also repudiate war of aggression and promote and encourage international organisations aimed to achieve peace and justice among nations, even agreeing to limit sovereignty, on condition of equality with other countries, if necessary to achieve these goals. The last of the Principles establishes the Italian tricolour as the flag of Italy: green, white and red, in three vertical bands of equal dimensions. Rights and Duties of Citizens (Articles 13–54) Civil Relations (Articles 13–28) Articles 13–28 are the Italian equivalent of a bill of rights in common law jurisdictions. The Constitution recognises habeas corpus and the presumption of innocence; violations of personal liberties, properties and privacy are forbidden without an order of the Judiciary stating a reason, and outside the limits imposed by the law. Every citizen is free to travel, both outside and inside the territory of the Republic, with restrictions granted by law only for possible health and security reasons. Citizens have the right to freely assemble, both in private and public places, peacefully and unarmed. Notifications to the authorities is required only for large meetings on public lands, which might be prohibited only for proven reason of security or public safety. The Constitution recognises the freedom of association, within the limits of criminal law. Secret associations and organisations having military character are forbidden. Freedom of expression, press and religion are guaranteed in public places, except for those acts which are considered offensive by public morality. For example, hate speech, calumny and obscenity in the public sphere are considered criminal offences by the Italian Criminal Code. Every citizen is protected from