US lawArizonaRegulationsTitle 17 — TransportationChapter 4 — Department of Transportation - Title, Registration, and Driver LicensesR17-4-421R17-4-421R17-4-421. RecodifiedRenumberedLast amended: 2001Length: 2 wordsOfficial source Cite as Ariz. Admin. Code § R17-4-421R17-4-421. RecodifiedPreviousR17-4-420NextR17-4-422