This is a flexible element capable of representing any identifier for an individual, such as driver's license number.
Type- indicates the type of ID (e.g. state and driver's license) . See enumerated list of values in CourtDataTransferFile schema.
ID- the actual identifier. Driver's licenses are represented as a concatenation of a "state" code (if any) and the driver's license number. For Illinois data, the non-U.S. "state" codes are based on a standard set by the Administrative Office of the Illinois Courts.