To ensure the correct operation of the NDR, the following sections outline the critical pieces of data that must be supplied for each of the existing file types. The items listed in the next section are already supplied according to the current NDR specification, therefore the next section is a reminder of how the data is to be supplied.
The only additional piece of data is in the PR – Person Registration file and the GM (Group member) record. In this record the state (code) must be supplied (currently optional). The state code will identify the group member as not being from the state sending the PR file and will therefore take the NrdId in the GM record to link the group to the group member in the NDR.