Voting begins today in a citizens-initiated referendum on whether the Government should sell part of its stake in power companies and Air New Zealand.
The non-binding referendum asks the question: "Do you support the Government selling up to 49 per cent of Meridian Energy, Mighty River Power, Genesis Power, Solid Energy and Air New Zealand?"
The postal vote closes on December 13.
Voters should post their papers back no later than December 12 for them to arrive on time, said chief electoral officer Robert Peden.
"This is a postal vote, so once people have ticked the answer they want, they can simply return their paper by post in the envelope provided.