Commerce Commission’s Market Study Powers Face Legal Challenge Over Fair Trading Act Amendments

The Commerce Commission’s enhanced market study powers under recent Fair Trading Act amendments are facing a constitutional challenge from business groups who argue the expanded regulatory authority lacks adequate procedural safeguards. The legal dispute could reshape how New Zealand’s competition regulator conducts future market investigations and enforcement actions.

At a glance

• Business groups challenge Commerce Commission’s expanded market study powers introduced under Fair Trading Act Amendment Act 2024
• Legal challenge focuses on procedural fairness concerns and lack of judicial oversight in investigative process
• Commission can now compel document production and witness testimony with limited appeal rights
• Penalties for non-compliance increased to $10 million for corporations, $3 million for individuals
• Court hearing scheduled for May 2026 with potential regulatory reform implications

Legal Challenge Details

The Business Roundtable and Employers and Manufacturers Association have filed proceedings in the High Court at Wellington challenging sections 47A-47K of the Fair Trading Act Amendment Act 2024. The challenge centres on three key procedural concerns:

• Compulsory powers scope: Section 47C grants the Commission power to require any person to provide documents or information “reasonably necessary” for market studies
• Limited appeal rights: Section 47G restricts judicial review to “exceptional circumstances” only, defined as procedural error or jurisdictional overreach
• Penalty enforcement: Section 47J imposes automatic penalties without requiring court proceedings for initial enforcement

The plaintiffs argue these provisions breach natural justice principles established in Daganayasi v Minister of Immigration [2003] NZCA 158, particularly regarding the right to be heard and adequate notice of proceedings.

Regulatory Powers Expansion

Under the 2024 amendments, the Commerce Commission gained significant new investigative tools for market studies:

• Document production: Power to require production of commercially sensitive documents within 10 working days under section 47D
• Witness examination: Authority to compel witness attendance and testimony under oath per section 47E
• Premises inspection: Right to enter and inspect business premises with 24-hour notice under section 47F
• Third-party information: Ability to compel information from suppliers, customers, and competitors under section 47C(2)

According to Commerce Commission, the enhanced powers are essential for effective competition oversight in concentrated markets. The regulator has already initiated three market studies under the new framework targeting supermarket supply chains, building materials, and telecommunications infrastructure.

Penalty Framework Changes

The amendment significantly increased penalties for non-compliance with market study requirements:

• Corporate penalties: Maximum $10 million per breach under section 47J(1), increased from previous $500,000 cap
• Individual penalties: Maximum $3 million for directors or senior managers under section 47J(2)
• Daily penalties: Additional $100,000 per day for ongoing non-compliance under section 47J(3)
• Criminal sanctions: Up to 2 years imprisonment for deliberate obstruction under section 47K

These penalties can be imposed administratively by the Commission without requiring High Court proceedings, subject only to limited judicial review under section 47G.

Industry Response

Business groups argue the expanded powers create an imbalanced regulatory framework that undermines commercial confidentiality and competitive advantage. Key concerns include:

• Fishing expeditions: Broad information-gathering powers without specific misconduct allegations
• Commercial sensitivity: Mandatory disclosure of pricing strategies, supplier agreements, and customer data
• Compliance costs: Estimated $2-5 million per business for comprehensive market study participation
• Regulatory uncertainty: Unclear boundaries on “reasonably necessary” information requirements

The Grocery Council has separately indicated it may join the legal challenge, citing concerns over the Commission’s supermarket supply chain investigation launched in February 2026.

Comparative Analysis

The challenge draws parallels to the Australian Competition and Consumer Commission’s similar powers under the Competition and Consumer Act 2010. However, the Australian framework includes stronger procedural protections:

• Mandatory 20-day notice period for information requests
• Right to claim legal professional privilege and commercial-in-confidence protections
• Federal Court oversight for penalty enforcement
• Independent review mechanism for disputed information requests

This comparison strengthens the plaintiffs’ argument that New Zealand’s framework lacks adequate safeguards found in comparable jurisdictions.

Impact

The legal challenge could significantly reshape New Zealand’s competition regulation landscape. If successful, Parliament may need to amend the Fair Trading Act to include stronger procedural protections, potentially delaying ongoing market studies. Businesses currently subject to Commission investigations face regulatory uncertainty until the May hearing, with compliance obligations remaining legally enforceable despite the challenge. The outcome will likely influence how other regulators, including the Financial Markets Authority and Reserve Bank, exercise similar investigative powers. Regardless of the legal result, the challenge signals growing business resistance to expanded regulatory authority without corresponding accountability mechanisms, potentially affecting future legislative reforms in the competition and consumer protection space.