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In New Zealand, the alcohol limit for drivers aged 20 years and over is 250 micrograms (mcg) of alcohol per litre of breath and the blood alcohol limit is 50 milligrams (mg) per 100 millilitres (ml) of blood. If you are under 20, the alcohol limit for drivers is zero. You must not drive if the amount of alcohol in your breath or blood exceeds these limits.

Waka Kotahi NZ Transport Agency has more information about drink-driving limits, testing drivers for alcohol and alcohol interlocks.

Alcohol and drugs limits(external link)

Alcohol interlock programme(external link)

Learn more about the regulation of drink-driving limits

Regulation of drink driving limits