In the process of migrating data from the old NDR to the new NDR, valid values for some data could not be determined or was missing. To ensure significant amounts of data was not lost in transferring data from the old NDR to the new NDR of value of “LegacyUnknown” was supplied to enable partially complete data to be migrated to the new NDR. For example, for a race result where a box number for a dog was missing, the value of “LegacyUnknown” was loaded into the new NDR as the box number.
Local systems will need to determine how to handle data received from the NDR with values of “LegacyUnknown”. Local systems will not be permitted to update the NDR with a “LegacyUnknown” value. Where a local system has received data with the NDR with a value of “LegacyUnknown” and the local system has the authority to update the entity, then it is expected the local system will replace the “Legacy Unknown” value with the correct value.
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