The New Zealand Rugby Union boss Steve Tew says pulling the All Blacks out of the next World Cup because of the high cost would be a last resort.
Steve Tew says the participation of major playing countries in future world cups is under threat because competing in the event costs millions of dollars in lost revenue.
A major sticking point is around commercial rules which block unions from using their own team sponsors during a World Cup.
Steve Tew says not sending the All Blacks to the Rugby World Cup would be a last resort.
Steve Tew says the NZRU has taken its concerns to the International Rugby Board and a review into World Cup Operations should be completed by next May.