The purpose of Part 4 of the Commerce Act 1986 is to promote the long-term benefits for consumers in markets where there is little or no competition and little or no likelihood of a substantial increase in competition.

Part 4 requires GDBs and the GTB to disclose information about their performance with the aim of encouraging them to improve efficiency and quality as well as incentives to innovate and invest.

The legal framework we apply when setting or amending ID requirements is set out in the Part 4 Information Disclosure Framework paper.

The need for this review

The purpose of the ID (Input Methodologies Amendment Determination 2024) review is to incorporate some immediate ID requirements from the 2023 Input Methodologies Review. The focus is on amendments which need to be implemented by April 2025.

We have now published the Information Disclosure (Input Methodologies Amendment Determination 2024) Final Decision below.

Gas pipelines information disclosure issues and guidance register

We publish a gas pipelines information disclosure (ID) issues and guidance register to record any issues or queries stakeholders raise about implementing the ID requirements, and our response to them.

Updates to the register are ongoing.

Contact us

Throughout this process, we have worked closely with GDBs and the GTB on changes to ID requirements which we expect to improve the long-term benefits of consumers.

If you would like to contact the team, please email infrastructure.regulation@comcom.govt.nz

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