New Zealand HSRN Portal Guide: HSNO Chemical Compliance
What New Zealand's HSRN Portal Means for Your Chemical Compliance Program
If your business imports or manufactures hazardous substances in New Zealand, the way you report to the Environmental Protection Authority (EPA) has changed. The Hazardous Substances Reporting and Notifications (HSRN) portal is now the single channel for submitting business information, substance data, and annual reports under the Hazardous Substances and New Organisms Act (HSNO Act).
For compliance managers and supply chain teams, this isn't just a new login screen. It reflects a shift toward ongoing, real-time reporting rather than periodic catch-up filings — and it puts a firm 30-day clock on new substance activity.
Why This Matters Now
The EPA now expects businesses to keep their information current continuously, not just once a year. That means:
New substance activity needs to be reported promptly, not batched into an annual cycle.
Existing business information on file needs to stay accurate as your operations change.
Annual reporting still applies on top of this, for businesses that meet the threshold.
Falling behind on any of these can create friction with the regulator and slow down otherwise routine import or production activity.
The 30-Day Rule, Explained
This is the detail most likely to catch teams off guard:
Trigger: The 30-day countdown starts when you first import or manufacture a hazardous substance.
Scope: This also applies to any change in your business information, including adding a new substance to your existing operations.
Who's covered: Importers and manufacturers supplying hazardous substances to others or for workplace use, including certain explosives and agrichemicals.
Who's exempt: Re-packagers and re-labellers aren't subject to this obligation, and bulk active ingredients only need to be reported once they're built into a finished product.
Separately, if your substances require it, an annual report is also due — for the 2025 calendar year, that deadline is 31 May 2026, with the same 31 May cutoff applying each year going forward.
What You'll Need Before You Start a Submission
Have these on hand so a session doesn't stall halfway through:
Data Point | Where to Find It |
Product name and HSNO approval | Section 15 of your Safety Data Sheet (SDS) |
GHS 7 hazard classification | Current SDS, reconciled with your EPA-held record |
Business profile details | Confirmed and updated in the portal |
Active ingredient quantities | Calculated as acid-equivalent values where salts or esters are involved |
A Compliance Checklist to Run This Quarter
Inventory check – Confirm every substance you hold or import has a valid, current HSNO approval.
Portal access – Set up your business profile and assign the right people to the right roles.
SDS alignment – Make sure hazard classifications in your SDSs match what's registered with the EPA.
Alert system – Tie customs and production records to an internal notification so the 30-day window never gets missed.
Calendar the annual deadline – Track 31 May separately from your 30-day notification process.
Next Steps
Building a reporting process that keeps pace with an active regulatory system takes some upfront work, but it's manageable with the right checklist in place. If you'd rather have a specialist review your portfolio against current EPA requirements, Freyr's regulatory compliance team can help with a full audit.
This article is based on EPA guidance published at epa.govt.nz. Requirements can change, so confirm your specific obligations directly with the EPA.
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