A law called the Commerce Act 1986 has a part that was repealed. This means it is no longer in use. The part that was repealed is called section 57A, which is about technical things related to declaring control. It was repealed on 14 October 2008 by a change made to the law through the Commerce Amendment Act 2008, which you can find more information about on the New Zealand legislation website. You can look at this website to learn more about the change that was made to the law.