In NZ this would be a clear breach of Section 11 of the Bill of Rights Act:
“Right to refuse to undergo medical treatment
- Everyone has the right to refuse to undergo any medical treatment.”
One hopes that, as authoritarian as she is, Jacinda won’t change this if her party is re-elected…

Law enforcement has the legal power ‘to remove anything (including underwear) that the relevant person is wearing’ if it’s determined that that person must be vaccinated.