Main laws

New Zealand Act

Gas Act 1992

The Gas Act 1992 is New Zealand's main framework law for the regulation, supply and use of gas, and for regulation of the gas industry.

In forceNew ZealandPlain-English guide10 practical checks

Plain-English explainers, not legal advice. Use the linked official source for section-level detail, and get advice for your situation.

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Quick read

  • The Gas Act 1992 is the main New Zealand Act for the regulation, supply and use of gas, and for regulation of the gas industry.
  • It matters most to businesses that supply gas, own pipelines or other gas system assets, operate gas infrastructure, or sit in a recognised gas market role such as retailer,...

Likely relevant if

  • Gas retailers
  • Gas wholesalers
  • Pipeline owners

Check first

  • If you are an owner or operator of a gas supply system, have a safety management system as required by section 46A
  • Check which current regulations made under the Act apply to your role, assets and activities
  • Where applicable regulations require it, identify hazards systematically and eliminate, isolate or minimise them so far as is reasonably practicable

Answer first

The Gas Act 1992 is New Zealand's main framework law for the regulation, supply and use of gas, and for regulation of the gas industry. Its purposes include protecting public health and safety and helping prevent damage to property connected with gas supply and use.

For business owners, the key point is that the Act does two different jobs. First, it creates some direct duties, powers, offences and access rights. Second, it gives power for detailed regulations to be made. In many areas, the practical compliance position depends on those regulations rather than the Act alone.

Practical sense check

  • The Act is the main starting point for gas sector compliance
  • It covers both safety and gas industry governance
  • Some duties apply directly under the Act
  • Many operational requirements depend on regulations made under the Act
  • You should check your exact role, assets and activities before relying on a general summary

What the Act is trying to do

The purposes of the Act are to provide for the regulation, supply and use of gas in New Zealand, to provide for regulation of the gas industry, to protect the health and safety of members of the public, and to promote the prevention of property damage connected with gas supply and use.

That means the Act is not just about technical gas work. It also deals with market roles, information flows, governance arrangements, accident response, infrastructure access and enforcement powers. If your business is in the gas supply chain, the Act may affect both your operations and your commercial processes.

Who is in scope

The Act uses broad definitions. It covers gas supplied through pipes or in containers. The definition includes named gases such as biogas, liquefied petroleum gas and natural gas, as well as gas mixtures and any gaseous substance declared to be gas for the purposes of the Act.

The Act also defines a range of industry roles. These include gas retailer, gas wholesaler, gas distributor, gas producer, gas refueller, gas operator and pipeline owner. A single business can fall into more than one category, so your first compliance step is to map your role in the gas chain.

Scope points

  • Do you supply gas to end users
  • Do you supply gas for resupply by another person
  • Do you own pipelines for the conveyance of gas
  • Do you provide line function services
  • Do you own or operate a gas supply system
  • Do you supply gas in containers or directly into containers
  • Do you deal with gas fittings, gas appliances, gas installations or gas measurement systems in a way covered by regulations under the Act

Who is usually outside the main focus of this Act

The Act is most directly aimed at the gas supply chain, gas infrastructure and gas industry governance. It is not best read as a standalone rulebook for every business that installs, services or maintains gas equipment.

That does not mean those businesses can ignore it. It means their practical duties often sit in regulations made under this Act, or in related legislation referred to by the Act. If your business does technical gas work, you should check the current regulatory layer rather than assuming the Act itself contains the full answer.

Main trigger points for businesses

You should do a fresh check under the Act when your business changes role, takes on new assets or starts work that affects gas infrastructure. The Act also becomes important when there is an accident, when market information may need to be published, or when works affect roads, rail crossings, private land or buildings.

A particularly important trigger is ownership or operation of a gas supply system. The Act directly requires owners or operators of gas supply systems to have a safety management system.

Practical sense check

  • Starting a gas retail, wholesale, distribution, production or refuelling business
  • Buying a business that owns pipelines or gas system assets
  • Building, extending, relocating or maintaining gas infrastructure
  • Operating a gas supply system
  • Responding to an accident involving gas
  • Publishing information in a regulated market role
  • Doing works on roads, road reserve, rail crossings, private land or buildings

Direct duties under the Act

The Act contains some direct obligations that matter immediately. The clearest example is section 46A, which says owners or operators of gas supply systems must have a safety management system. Section 46B makes breach of that requirement an offence.

The Act also includes accident notification, protection of accident scenes, inquiries into accidents, duties to assist WorkSafe, and offences for obstructing WorkSafe. It creates powers around inspection, immediate compliance in urgent cases, entry, notices and compensation for damage.

Another direct offence provision is section 56B, which deals with actions or omissions likely to cause serious harm or significant property damage. The Act also contains other offence provisions and an infringement framework.

Practical sense check

  • If you own or operate a gas supply system, have a safety management system
  • Notify accidents where the Act requires it
  • Do not interfere with an accident scene contrary to the Act
  • Assist WorkSafe when required under the Act
  • Do not obstruct WorkSafe or officers exercising powers under the Act
  • Follow entry, notice and damage-related rules when carrying out relevant works

Safety management systems in practice

The Act itself requires a safety management system for owners or operators of gas supply systems. It then says regulations that prescribe safety management system requirements must cover certain core matters.

Those regulations must provide for systematic identification of existing hazards and new hazards, elimination, isolation or minimisation of hazards so far as is reasonably practicable, regular assessment of each hazard, documentation of the safety management system, and audit of the system.

The Act also says those regulations may include requirements about design, construction, operation, maintenance and inspection of the gas supply system, security and access control, worker skills, knowledge and experience, contingency plans for emergency situations, ongoing safety improvement and accident investigation.

This is a good example of how the Act works. The Act creates the direct requirement to have a safety management system, but the detailed content and operation of that system sit in regulations.

Practical sense check

  • Confirm whether your assets are treated as a gas supply system under the Act and regulations
  • Identify existing hazards and new hazards as they arise
  • Eliminate, isolate or minimise hazards so far as is reasonably practicable
  • Assess hazards regularly
  • Document the safety management system
  • Check whether audit requirements apply under current regulations
  • Maintain emergency or contingency planning where required

How regulations do most of the detailed work

Section 54 gives broad regulation-making powers. These powers cover matters such as standards for fittings, gas appliances, gas installations, meters and gas supplied to retailers and consumers. They also cover worker training and qualifications, distribution and supply of gas, gas measurement systems, protection of fittings, records, testing, inspection and certification of gasfitting, gas quality, pressure ranges, forms, fees and offences.

The practical result is simple. You should not assume that every topic listed in the Act already creates a direct duty for your business. In many cases, the legal effect depends on whether regulations have actually been made, and what those regulations say.

Practical sense check

  • Check current regulations for standards that apply to your assets or products
  • Check whether worker training or qualification requirements apply to your activity
  • Check whether testing, inspection or certification rules apply
  • Check whether record-keeping requirements apply
  • Check whether gas quality, composition, odorisation or pressure rules apply
  • Check whether any forms, fees or infringement provisions apply to your process

Codes, standards and gas safety instruments

Part 4 deals with gas codes of practice. The Act also allows regulations to require compliance with the whole or part of a gas code of practice or an official standard. Regulations can also provide that proof of compliance with certain codes or standards is proof of compliance with specified regulatory requirements.

The important business point is that a code or standard does not automatically bind you just because it exists. You need to check whether regulations under the Act pick it up and how they do so.

The same caution applies to gas safety instruments. The Act allows the Minister to approve gas safety instruments, but section 56AC says a gas safety instrument has legal effect only to the extent that regulations made under the Act refer to it.

Practical sense check

  • Do not assume a code of practice applies without checking the regulations
  • Check whether an official standard is incorporated by reference
  • Check whether proof of compliance with a code or standard is treated as proof of regulatory compliance
  • Check whether a gas safety instrument is actually referred to in current regulations
  • Keep copies of the exact instruments or standards your business relies on

Gas industry governance and disclosure

Part 4A deals with governance of the gas industry. It includes dispute resolution access and membership, compliance with rules and binding settlements, regulation-making powers for the wholesale market, processing facilities, transmission, distribution, security of supply and disclosure, and appeal pathways.

For many businesses, the practical point is that governance obligations depend heavily on your market role and on the regulations or rules in force. The Act creates the framework for those arrangements and for enforcement of some of them.

Section 55 specifically allows regulations requiring gas wholesalers, pipeline owners and gas retailers to publish prescribed information. Depending on the regulations, that information may include prices, terms and conditions, financial statements, pricing methodologies, costs, performance information, gas conveyed and pipeline capacity.

The Act also provides for regulations relating to disclosure of market information to an industry body or the Secretary, and for publication of that information in some cases.

Practical sense check

  • If you are a wholesaler, retailer or pipeline owner, check whether disclosure regulations apply
  • Identify what information must be published, if any
  • Check whether market information must be supplied to the Secretary or an industry body
  • Check whether gas governance rules apply to your market conduct
  • Keep records of published or supplied information

Working on roads, rail crossings, land and buildings

Part 3 deals with practical infrastructure issues. It covers protection of existing fittings, rights of entry in respect of existing fittings, construction or maintenance of fittings on roads, criteria for setting reasonable conditions, notice before work, charging for access to road reserve, rights of entry in respect of level crossings, and powers to require fittings to be moved.

This matters for project planning. A gas infrastructure job can involve more than engineering and safety. Notice periods, access conditions, road reserve charges, relocation demands and cost allocation can all affect timing and budget.

The Act also includes provisions about owners and occupiers of private land and buildings moving fittings in some situations, and compensation for damage in connection with entry powers.

Practical sense check

  • Check whether the asset is an existing fitting
  • Identify whether the work affects roads, road reserve, level crossings, private land or buildings
  • Check whether notice must be given before work starts
  • Review any conditions imposed for access or works
  • Check whether a local authority or other body can require fittings to be moved
  • Check who bears the cost of relocation or access
  • Plan for compensation issues if damage occurs

Accidents, WorkSafe powers and enforcement

The Act gives WorkSafe important functions and powers. It includes inspection powers, reporting, special powers, immediate compliance powers in urgent cases, accident notification, transfer of accident information, protection of accident scenes, inquiries into accidents, assistance obligations and obstruction offences.

The Act also allows regulations to create offences and infringement offences. Section 54 sets limits on fines that regulations may prescribe for contravention or non-compliance with regulations, including continuing offences, and sets maximum infringement fee levels for individuals and body corporates.

Businesses should be careful not to generalise those penalty limits beyond the regulation-making context. The Act contains different offence provisions in different places, and the exact consequence depends on the specific provision involved.

Practical sense check

  • Have an internal process for accident notification
  • Preserve accident scenes where the Act requires it
  • Cooperate with WorkSafe inspections and requirements
  • Do not obstruct WorkSafe or officers
  • Check whether any applicable regulations create offences or infringement offences for your activity
  • Track urgent instructions or requirements issued under lawful powers

Records, information and documents

The Act allows regulations to require the keeping and retention of records necessary for establishing and maintaining safety standards in the production, transmission, distribution and application of gas. It also allows regulations about forms and information supply.

That means record-keeping is a real compliance issue, but the exact records depend on the regulations that apply to your business. For some businesses, this may include safety management documents, testing and inspection records, gas measurement records, disclosure information or other prescribed forms and statements.

Documents to keep in order

  • Identify all regulations that require records for your role
  • Keep safety management system documents where relevant
  • Keep hazard identification and review records where required
  • Keep testing, inspection and certification records where required
  • Keep copies of disclosure statements or market information supplied or published
  • Use prescribed forms where the Act or regulations require them

Checks to do before relying on this Act

If you are using this Act as part of a compliance review, do not stop at the title page. The Act is a framework statute, so the real answer often depends on definitions, current regulations, and whether a code, standard, rule or instrument has been given legal effect.

A short internal check can save a lot of confusion. Work out your role, identify your assets, map the activity you are carrying out, and then match that against the current regulatory layer.

Sense check

  • Confirm whether your business is acting as a retailer, wholesaler, distributor, producer, refueller, gas operator or pipeline owner
  • Confirm whether your assets are a distribution system, transmission asset, gas installation, fitting, gas appliance or gas supply system
  • Check current regulations made under sections 54, 55 and 56AA that apply to your activity
  • Check whether any gas code of practice, official standard or gas safety instrument has been given legal effect through regulations
  • Check whether Part 3 access, notice or relocation rules affect your project
  • Check whether Part 4A governance or disclosure rules apply to your market role
  • Check the current version date before relying on any summary

Dates and current status

The Gas Act 1992 is a principal Act and is in force. It received Royal assent on 17 December 1992. Part 1, Part 4, and sections 54, 55 and 60 came into force on 18 December 1992. The rest of the Act came into force on 1 April 1993.

The current official consolidation is stated as at 6 June 2026. The notes to that version record amendments incorporated up to the Gas (Market Transparency) Amendment Act 2026, and also include 2025 amendments and earlier changes affecting the Act.

Common questions

Does the Gas Act 1992 apply to every business that works with gas?

Not in the same way. The Act is highly relevant across the gas sector, but it does not itself set every practical rule for every gas-related activity. It creates the main framework and allows regulations to deal with matters such as standards, testing, inspection, training, gas measurement systems, gas quality and records. Your actual obligations depend on your role and on which regulations apply.

What is the clearest direct duty in the Act for infrastructure owners or operators?

Section 46A requires owners or operators of gas supply systems to have a safety management system. Section 46B makes breach of that requirement an offence. The detailed content of that system is dealt with through regulations made under the Act.

Do gas codes of practice automatically have legal force?

No. The Act allows regulations to require compliance with the whole or part of a gas code of practice or an official standard. Regulations can also treat proof of compliance with certain codes or standards as proof of compliance with specified regulatory requirements. You need to check the regulations, not just the code itself.

Do gas safety instruments automatically apply to my business?

No. A gas safety instrument has legal effect only to the extent that regulations made under the Act refer to it. If you rely on an instrument, check whether current regulations actually give it legal effect for your situation.

When should a business do a fresh compliance check under this Act?

Common trigger points include starting or buying a gas business, taking on a new market role, building or altering gas infrastructure, operating a gas supply system, responding to an accident, publishing market information, or doing work that affects roads, rail crossings, private land or buildings.

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