The Fair Trading Act prohibits the use of unfair contract terms in standard form consumer contracts and small trade contracts.
The Commerce Commission’s Unfair Contract Terms Guidelines:
explain how the unfair contract terms provisions work;
outline the principles the Commerce Commission considers likely to be applied by the courts;
give examples of terms that may be unfair; and
describe the Commission’s approach to enforcing the law.
Commerce Commission disclaimer: This document provides guidance only. It is not intended to be definitive and should not be used in place of legal advice.
Source: New Zealand Commerce Commission, https://www.comcom.govt.nz/business/dealing-with-typical-situations/selling-goods-and-services/pricing-your-products-or-services/