The System
CDLIS consists of a Central Site (managed by Electronic Data Systems and located in Plano, Texas) and 51 jurisdiction nodes interconnected on AAMVAnet (AAMVA's proprietary, secure network). The Central Site stores identification data about each commercial driver registered in the jurisdictions, such as: name; date of birth; Social Security Number; State driver license number and Also Known As (AKA) information (i.e., former/previous names, SSNs, DOBs, and/or State driver license numbers). The information at the Central Site constitutes a driver's unique CDLIS Master Pointer Record (MPR). The jurisdiction nodes store the Driver History Records (DHRs), which include driver identification information, license information, history of convictions, and history of withdrawals for each commercial driver licensed by the particular state.
When a jurisdiction queries the CDLIS Central Site via AAMVAnet to obtain information about an applicant prior to issuing a CDL, the CDLIS Central Site compares data provided by the State Of Inquiry (SOI) against all MPRs at the Central Site. If one or more matches are returned, then the CDLIS Central Site "points" the SOI to the State Of Record (SOR), where more detailed information about the driver's commercial driving history is found. When a jurisdiction convicts or withdraws an out-of-state commercial driver, the State of Conviction (SOC) or State of Withdrawal(SOW) transmits the relevant conviction or withdrawal information via AAMVAnet to the driver's SOR.
Read more about this topic: Commercial Driver's License Information System
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