• State-to-State (S2S) Verification Services

  • The State-to-State (S2S) Verification Service is a means for states to electronically check with all other participating states to determine if the applicant currently holds a driver license or identification card in another state. State participation in S2S is voluntary.  The platform that supports S2S—the State Pointer Exchange Services (SPEXS)—was successfully implemented in July 2015. 

    The key business requirements satisfied by S2S include:

    • Limit a person to one DL:
      • Enable a State to determine if a person holds a DL or identification card in another State
      • Enable a State to send a request to another State to terminate a DL/ID
    • Provide information on all state issued DL/ID’s nationwide:
      • Enable States to verify DL/ID cards presented as a form of identification
    • For states wanting to be compliant with REAL ID, limit a person to one REAL ID card (whether DL or ID):
      • Enable a State to determine if a person holds a REAL ID Driver License or REAL ID Identification Card in another State

    Participation in S2S does not commit a State to be in compliance with the federal REAL ID Act. However, if a State chooses to be REAL ID compliant, S2S can be part of their compliance plan.

    Grant Funding for S2S

    NHTSA and DHS have annual grant programs that are available for states that wish to offset costs associated with the implementation and operation of the S2S service. Two pilot states are making use of these funding sources to implement the service. Virginia received NHTSA approval to use a portion of the state’s 405(c) grant monies toward the implementation of S2S. Idaho received DHS approval to use a portion of the grant monies available under the State Homeland Security Program (SHSP) to implement the S2S service. Both NHTSA and DHS have acknowledged that S2S is an eligible use of these grant monies, which are available annually to all states. 

    For more information concerning the NHTSA and DHS grant programs please visit: 

    States are also exploring the use of grants from FMCSA to support the level of effort required for states to resolve the large number of potential duplicates, especially those involving a CDLIS pointer and a Non-CDLIS pointer. 

    States who are interested in participating in the program may contact:

    This information was prepared under a grant from the Federal Emergency Management Agency's (FEMA) Grant Programs Directorate (GPD) United States Department of Homeland Security. Points of view or opinions expressed in this document are those of the authors and do not necessarily represent the official position or policies of FEMA/GPD or the US Department of Homeland Security.

    General information about State-to-State (S2S) can be found in this FAQ document. To understand how AAMVA and the participating jurisdictions protect the privacy of the information in S2S, please refer to the SPEXS Privacy Impact Assessment.

    Additional documents relevant to S2S is available to AAMVA jurisdiction members and to the federal government on the State-to-State Documentation page here.

    If you are not an AAMVA jurisdiction member or federal government member, but you believe you should have access to the documentation, please contact AAMVA’s helpdesk at helpdesk@aamva.org

    View the S2S Outreach Map (updated October 2021).

    View the S2S Implementation Calendar (updated October 2021).

    View the CD31 Map (updated October 2021)


    Participating Jurisdictions 

    The AAMVA rate schedules contain fees for the most common types of services and products used by AAMVA customers.

    All rates are effective through September 30th and are subject to change thereafter with 30-days prior written notice.

    AAMVA has pre-recorded training that you can view from your Internet browser. Click the following link to access the training: S2S Training.

    S2S User Group Meetings

    The following presentations are from the S2S User Group meetings and are accessible to authorized users who are logged in to the AAMVA Web site. 

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