if there is any gst etc.. owing they won't ring you, they will send out a letter in due course to the address on the parcel. can take over a week for the letter to show up.
if you're impatient like i am, you have to ring nz post with your tracking number, then get the entry and notice numbers to ring customs with to clear it. be prepared to spend a long time on hold....
so backwards compared to fedex or ups.
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