Strengthening Investor Assurance - October 2026

The Treasury and the New Zealand Infrastructure Commission, Te Waihanga, are working closely to strengthen the investor assurance process for central-government funded investments to better support investment decisions. In this October 2026 newsletter we update you on:progress on the new Investment Decision Assurance (IDA) Policy and frameworksimplementation dates and transition arrangements, androles and responsibilities under the new system, and updated contact addresses for infrastructure and other assurance reviews.