NZ HSWA Amendment Act 2026 — commences 1 April 2027
Status: Upcoming
Effective 1 April 2027. Reference now, treat as binding from that date.
The Health and Safety at Work Amendment Act 2026 (Public Act 2026 No 38) passed its third reading on 1 July 2026 and received Royal Assent on 13 July 2026. It substantially reforms HSWA 2015: a critical-risk focus, an ACOP "safe-harbour" framing, a proportionate regime for small businesses (under 20 workers), narrowed officer duties, and a streamlined notifiable-event regime. The amendments commence on 1 April 2027 — until then, HSWA 2015 as currently in force remains the binding law. RAE IQ surfaces the Act as enacted-but-not-yet-in-force until commencement.
What is changing
The Amendment Act responds to a 2024 review of HSWA which found the framework too principles-led for many small businesses to navigate confidently. As enacted, the main changes include: (1) a sharpened focus on critical risks — the hazards most likely to cause death, serious injury, or serious illness — with all businesses required to identify critical risks based on what they should reasonably know about their work; (2) a proportionate regime for small businesses (under 20 workers), which must manage critical risks and continue to provide essential worker welfare facilities; (3) a strengthened, NSW-style "safe-harbour" for Approved Codes of Practice — following an approved Code provides compliance protection against enforcement action, and industry, worker, and employer organisations can develop codes for ministerial approval; (4) narrowed officer duties focused on governance rather than day-to-day operations, and narrowed landowner duties; (5) clearer requirements for notifying WorkSafe of injuries and illnesses; and (6) a re-prioritised regulator focused on guidance, approved codes, Safe Work Instruments, and compliance monitoring. None of these amendments are operative until commencement on 1 April 2027.
Timeline
NZ Government completes review of HSWA 2015.
HSW Amendment Bill 2026 (Bill 244-1) introduced.
Education and Workforce Select Committee reports.
Bill passes third reading.
Royal Assent — Health and Safety at Work Amendment Act 2026 (Public Act 2026 No 38).
Amendments commence — the amended HSWA becomes the binding framework.
Who it affects
- All NZ PCBUs and officers (the Act amends HSWA 2015)
- Small business owner-operators (under-20-workers proportionate regime)
- Officers and directors (narrowed governance-focused duties)
- Industries with sector-specific ACOPs (safe-harbour framing)
What you need to do
- 1
Maintain HSWA 2015 compliance until 1 April 2027
The amendments are enacted but not yet in force. Until commencement, HSWA 2015 as it currently stands is the binding law — continue to comply with s36 (PCBU duty), s44 (officer duty), s47 (reckless conduct) and the existing Regulations and ACOPs.
- 2
Identify your critical risks now
From 1 April 2027 the Act centres duties on critical risks — those most likely to cause death, serious injury, or serious illness. Map your critical risks ahead of commencement so your risk register and controls are ready on day one.
- 3
Review your ACOP alignment
Following an approved Code of Practice will provide compliance protection against enforcement action once the Act commences. Confirm which ACOPs apply to your work and document where your controls follow them (or meet an equivalent-or-higher standard).
- 4
Watch for WorkSafe guidance
WorkSafe has signalled that guidance to support businesses in understanding the changes will be released in the lead-up to commencement. Fold it into your management-review cycle as it lands.
How RAE IQ handles it
RAE IQ tracks the Act via the NZ_REFORM_BILL_2026_STATUS constant in src/lib/jurisdiction/transitions.ts, verified against legislation.govt.nz, Beehive.govt.nz, and WorkSafe NZ (Royal Assent 13 July 2026). While the status is 'passed', NZ documents cite HSWA 2015 as it stands as the binding statute and frame the Amendment Act as "enacted but not in force until 1 April 2027". The status flips to 'in_force' automatically on commencement day (Pacific/Auckland), and a regulatory-invariants test enforces the discipline that the amendments are never cited as operative law before commencement. The last evaluation date for the Act's status was 2026-07-18.
Related glossary terms
Tracked, cited, and ready when the date flips.
Every change on this page is wired into RAE IQ's drafting engine — when the effective date hits, the documents it generates change too.