To change your account details please advise us via a signed letter to: Hamilton Hindin Greene Limited PO Box 10, Christchurch, 8140 Some changes may require further documentation that will need to be supported by original or certified copies as proof. For example a deposit slip for bank account changes or marriage certificate for name changes. These may need to be sent to the office along with the signed request. If in doubt please call this office on 0800 10 40 50 before making the request and we will advise what supporting documentation is required. Please note: You will also have to inform the registry of your change of details.