Arizona will begin using AAMVA’s State-to-State Verification Service (S2S) Driver History Record (DHR) on Monday, September 16, 2024. Tasks related to onboarding Arizona will be conducted on Sunday, September 15, 2024, during the regular scheduled maintenance window of 2:00 AM ET to 5:00 AM ET. AAMVA is taking all steps possible to minimize service interruptions and will be sending alerts notifying states of Central Site availability throughout the process. Read more here.