“The National Party has enthusiastically driven the controversial TPP agreement, but New Zealand First, Labour and the Green Party have all expressed doubts about it.
The United States withdrew from the TPP earlier this year, but the remaining 11 countries are striving to keep the contentious deal alive, with New Zealand one of the keenest.
But coalition talks could throw a spanner in the works.
While National is right behind the so-called TPP-11, New Zealand First holds the balance of power and has been critical of the deal.”
http://www.radionz.co.nz/news/national/340473/tpp-deal-hinges-on-coalition-decision
