"Not try and fix something up and then, when that's fixed up, begin the trade negotiations. That's over to [Trade Minister David] Parker and others, but we were a long way down the track when it was stalled, and I think Prior is 100 per cent right."
The Government will be pushing for changes to the 11-nation Trans Pacific Partnership deal, focusing on changing the investor-state dispute resolution (ISDS) clauses that Ardern has called a "dog". The clauses allow investors to take direct action against a host country.
Peters said he was looking forward to seeing other ministers and former ministers who had met when he was last Foreign Minister under the Helen Clark-led Government from 2005 to 2008.
"They've already written to me, welcoming me back, so I have to say I'm looking forward to meeting them."
Among those who had written to him were former Japanese Foreign Minister and Prime Minister Taro Aso and Russia's Foreign Minister Sergei Lavrov.
Peters said he supported "fair and reasonable" trade.
"That's always been something that we've heavily subscribed to. When you get into areas where certain requirements are being objected to by nation states, that's where you get difficulties, and we're working our way through one of those now."