If you want to import, manufacture, or use a new hazardous substance in New Zealand, you must get permission (approval) from the EPA first.

Section 17 – Changing the Storage Controls Later

Plain English:
Section 17 allows the EPA to change the storage rules for a substance after it is already approved.

This happens if:

In short:
🔹 Section 17 lets the EPA change the storage rules
—even if the substance has been stored the same way for years.

Section	What It Means for Storage	Plain English Summary
12	Decides whether the substance is approved and what hazard classes it has	“This chemical is allowed in NZ — here are the hazard classes that determine how you must store it.”
17	Allows EPA to tighten, change, or add storage rules later	“We learned new info — now you must store it differently, with updated requirements.”

Section 12 → Starts the storage rules
“Once this substance is approved, we know what storage rules apply.”
Section 17 → Changes the storage rules
“We need to adjust the storage rules because new risks have appeared.”

EPA approves diesel or LOX and assigns hazard classifications.
This triggers storage rules such as:

Years later, if a major incident shows a safety issue, EPA can say:

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