What the official record says
This Act is the Crimes (Provocation Repeal) Amendment Act . This Act comes into force on the day after the date on which it receives the Royal assent. This Act amends the Crimes Act 1961. Sections 169 and 170 are repealed. The partial defence of provocation in cases of culpable homicide, in so far as it has any effect as a rule or principle of common law in New Zealand, is abolished.