A non-conforming use clause that protects the 'continued use' of land does not preclude the need for development approval before carrying out physical works on the land, where the planning scheme contains distinct express controls of both use and development. The High Court's decision in Dorrestijn v South Australian Planning Commission, which held that 'continued use' included developments necessarily or ordinarily involved in the use, is distinguishable where the planning scheme separately prohibits both use without approval and development without approval. Substantial clearing of vegetation and excavation of drains for farming purposes constitutes 'development' requiring approval, notwithstanding that the underlying farming use is protected as a non-conforming use.
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