The Government has signed off changes that let NZ Post cut back to just two delivery days a week in towns and three in rural areas.

Postal Workers Union co-president John Maynard said to Ryan Bridge that they are 'very critical' of the decision as it appears NZ Post prioritises returning a dividend to the Government over it's customers.

But NZ Post says nothing is changing yet, and rural communities will still get extra protections under this new deal.

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