Ariz. Rev. Stat. § 13-2902 : — CRIMINAL CODEOFFENSES AGAINST PUBLIC ORDER —2902 - Unlawful assembly; classification TEXT PDF A. A person commits unlawful assembly by: 1. Assembling with two or more other persons with the intent to engage in conduct constituting a riot as defined in section 13-2903; or 2. Being present at an assembly of two or more other persons who are engaged in or who have the readily apparent intent to engage in conduct constituting a riot as defined in section 13-2903 and knowingly remaining there and refusing to obey an official order to disperse. B. Unlawful assembly is a class 1 misdemeanor. A.R.S. § 13-2902