NAB's Bank of New Zealand may have a buyer lined up for its NZ life insurance business.The Australian reports that the bank is "negotiating to sell" this operation to Partners Life, a disruptor in the NZ life and health insurance markets founded as recently in 2011.This challenger brand has, since 2016, counted the activist US fund Blackstone as a key shareholder via its Tactical Opportunities Fund, suggesting the NZ upstart has the firepower to complete the acquisition, if NAB is indeed a seller.In Australia, NAB has the long planned disposal of its MLC wealth business on a slow burn, in light of the overwhelming compliance agenda chewing through board time, a problem the BNZ board in New Zealand does not share.Partners reported solvency capital of NZ$397 million and shareholder funds of NZ$143 million at September 2018. SCOR is the principal reinsurer for Partners Life.