A local unique identifier created by Statistics NZ. This identifier remains the same for an identity across IDI refreshes. This links to the corresponding dwelling record in the dwelling table.
A dwelling is any building or structure – or its parts – that is used, or intended to be used, for human habitation. Dwellings can be permanent or temporary and include structures such as houses, motels, hotels, prisons, motor homes, huts, and tents.
There can be more than one dwelling within a building; for example, in an apartment building each separate apartment or unit is considered a dwelling.