We've recently updated our website so the page you are looking for may have moved.
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Local government
The Office of Local Government have recently moved to the Department for Infrastructure and Transport. You can find their details on the DIT website.
Planning and Land Use
Planning and Land Use (including the Office of the Valuer-General, Office of the Registrar-General and Office of the Surveyor-General) have recently moved to the Department for Trade and Investment. You can find their details on the DTI website.