The Residential Tenancies Amendment Act 2010 came into force on 1 July 2016.
Please see the following for a good summary:- https://www.tenancy.govt.nz/about-tenancy-services/news/law-changes-to-the-residential-tenancies-act-now-in-force/
The Act makes tenants and their guests liable for up to four weeks' rent, or the cost of the landlord's insurance excess (whichever is lower), for careless damage caused to a rental property. Please see:- https://www.msn.com/en-nz/money/finance/renters-causing-careless-damage-could-be-up-for-a-months-rent/ar-AAH0Xti?ocid=spartandhp
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