NZLR
What it stands for
New Zealand Law Reports
How to use it
Use the abbreviation as the title of the series. It is not italicised and takes no full stops.
the NZ Law Style Guide marks this series as authorised. Where a case is reported in more than one series, rule 3.2.10says to cite the authorised one.
From the appendices of the Australian Guide to Legal Citation, 4th edition · always confirm against the official guide.