What the official record says
This Act is the Christchurch City Council (Rates Validation) Act . This Act comes into force on the day after the date on which it receives the Royal assent. The purposes of this Act are to— validate the payment dates for the rates; and validate the penalties added to unpaid rates; and validate the setting of the specified rates to the extent that the rates resolutions did not state the basis on which the liability for the rates would be calculated; and treat all money received by the Council in payment of the rates (including the specified rates) and penalties added to those rates as having been lawfully paid to, and received by, the Council; and authorise the Council to recover any part of the rates (including the specified rates) and any penalties added to those rates that remain unpaid