How to recognise and deter bid rigging

Bid rigging is an agreement among some or all bidders as to who should win a tender.  It is a form of cartel conduct, and is prohibited by the Commerce Act 1986. 

This Commerce Commission fact sheet provides guidance on spotting and reporting potential bid rigging and designing tender processes that deter bid rigging.

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/avoiding-anti-competitive-behaviour/what-is-a-cartel/