What the official record says
This Act is the Canterbury Property Boundaries and Related Matters Act . This Act comes into force on the day after the date on which it receives the Royal assent. The purpose of this Act is to— provide certainty to surveying and titles in greater Christchurch following the Canterbury earthquakes: support the planning, rebuilding, and recovery of affected communities, including the repair and rebuilding of land, infrastructure, and other property in greater Christchurch: maintain public confidence in the cadastre. In this Act, unless the context otherwise requires,— and have the meanings given by section 4 of the Cadastral Survey Act 2002 means any earthquake in Canterbury in the period starting on 4 September 2010 and ending on 13 February 2022, and includes any aftershock in that period