SLI Compliance® provides a full range of Voting System Certification Testing and Election Support Services. Under the auspices of the National Voluntary Laboratory Accreditation Program (NVLAP Lab Code 200733-0: TESTING) of the National Institute of Standards and Technology (NIST), in partnership with the United States Election Assistance Commission (EAC), SLI Compliance is an accredited Voting System Test Laboratory (VSTL).