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Home / New Zealand

Nitrous oxide crackdown: Retailers in five North Island towns face charges

NZ Herald
20 Apr, 2026 09:35 PM2 mins to read

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The study looks at the effect excessive nitrous oxide usage had on 12 patients, aged 16 to 50. Video / NZ Herald

Police say several shops have been caught selling nitrous oxide in a sting across the North Island.

Retailers in New Plymouth, Hāwera, Whanganui, Palmerston North, and Levin are facing prosecution for illegally selling the gas, also known as nangs, for recreational use, police said today.

Central district commander, Superintendent Dion Bennett, said this was both good and bad news for the police and the community.

“It’s great that we are holding retailers to account for breaking the law, and at the same time it’s really disappointing and frustrating that we are doing so after having engaged with them to ensure they understood the law.

“We have visited these retailers, we have engaged with them and given them information to make sure they understood the rules around the sale of this substance.

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“They have assured us they do.

“Then we’ve tested them through controlled purchase orders, similar to how we do for alcohol, and they have come up short and clearly chosen to break the rules,” Bennett said.

“There are no excuses.”

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The retailers have all been charged with selling or suppling a non-approved psychoactive product under the Psychoactive Substances Act, which carries a fine of up to $500,000 or a maximum term of two years’ imprisonment.

They will be summonsed to appear in court over the coming weeks.

“We will conduct more operations over the coming months and will bring prosecutions against any retailers who continue to flout the law at the expense of the community for their own personal gain,” Bennett said.

Police remind anybody who is aware of a retailer selling nitrous oxide for recreational use to contact police on 105 or call Crime Stoppers on 0800 555 111 to report it.

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