Appointment of Liquidator Christchurch The official assignee at Christchurch was appointed as liquidator of the following companies on: 8 June 1999 Advanced Filtration Limited. 14 June 1999 Whitby Nominees Limited. Address of Liquidator: OFFICIAL ASSIGNEE. New Zealand Insolvency and Trustee Service, Private Bag 4714, Christchurch. Telephone: (03) 371 7070. Facsimile: (03) 371 7071.