tchart:
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Although they let me fly home they had to check with immigration who then told me that you need an endorsement in your dual passport (rather than the PR visa). This wasnt mentioned when I got citizenship.
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@tchart Interesting that you weren't advised. When I received my citizenship confirmation email it was quite explicit that my residence visa would be cancelled, it included the following:
Citizenship Office:
What happens to your Visa?
Your New Zealand residency Visa will be cancelled once you become a citizen.
If you wish to travel overseas after you become a citizen, you will need to: