"New Zealanders all around the country have told us now is not the right time to change the flag. Almost no one turned up at public events to promote it, millions of dollars were wasted on websites and postcards and a celebrity panel of experts.
"And now John Key is continuing to push his pet project through despite overwhelming opposition."
Flag Minister Bill English hit back at Labour yesterday, saying it was Labour's 2014 policy to hold a similar process but it was opposing it because they do not like John Key.
He said Labour liked to pride itself on being "the owners of New Zealand" and its national identity.
"That may have been the case when Michael Joseph Savage was the Prime Minister, but in this intellectually bankrupt, unaspirational, modern Labour Party it does not own any aspect of our national identity."
The official Flag Consideration Panel is expected to release a long list of alternative designs from the 10,000 submitted next month before whittling those down to the four designs that will be voted on in a referendum in November.