The Prime Minister's hit back at claims the vaccine certificate rollout will be delayed

National's claimed the passes mightn't arrive until December - not the planned November.

But Jacinda Ardern says the confusion has stemmed from an error on a website, and the digital certificate will be piloted next month.

She says this will make it a lot easier for large-scale events to manage the passes, and they'll be ready to go before Auckland moves into the traffic light system.