Rights of businesses
Businesses who sell products or services have a right to:
contract out (opt out) of the Consumer Guarantees Act (CGA) if the products or services they sell will be used for commercial or business purposes
choose how to price their products or services
refuse a consumer’s offer to buy a product or service, e.g. if it’s the last item in stock or the service is no longer supplied
ask questions about and inspect any product or service a consumer says does not meet the CGA guarantees decide to repair, replace, or refund a product, or fix a problem with a service, if the problem can be fixed – unless it's a serious problem, then you can tell them you want a refund or replacement, or cancel the service
refuse a refund or any other remedy if a consumer changes their mind about a product or service, or damages the product after the sale
refuse to fix a problem with a service if the fault was caused by the consumer or events outside of the service provider’s control
be paid for products or services they sell that meet the CGA guarantees.
https://www.consumerprotection.govt.nz/general-help/consumer-laws/consumer-guarantees-act/