Ariz. Rev. Stat. § 8-238
A. If a juvenile is charged with a violation of any of the following offenses and is summoned to appear at an advisory hearing, the judicial officer shall order the juvenile to report within five days to the law enforcement agency that investigated the juvenile or to the agency's designee and submit a sufficient sample of buccal cells or other bodily substances for deoxyribonucleic acid testing and extraction: