Constitution of the Italian Republic

Land
Italy

 Art. 17. Citizens have the right to assemble peaceably and unarmed. No previous notice is required for meetings, including those held in places open the public. In case of meetings held in public places, previous notice shall be given to the authorities, who may prohibit them only for proven reason of security or public safety. Art. 18. Citizens have the right to form associations freely and without authorization for those ends that are not forbidden by criminal law. Secret associations and associations that, even indirectly, pursue political aims by means of organisations having a military character shall be forbidden. Art. 39. Trade unions may be freely established (...) Art. 49. Any citizen has the right to freely establish parties to contribute to determining national policies through democratic processes.