A 'project' for the purposes of s102(2)(h) of the Mining Act 1978 (WA) does not require the actual implementation of a plan or scheme in relation to each and every mining tenement within the project. A plan may be formal or informal, may contemplate gradual and sequential development, and need not include a fixed timetable for work on each tenement. There is no distinction between types of expenditure (exploration versus mining) for the purposes of aggregating expenditure under s102(2)(h). A Warden's misconstruction of 'project' constitutes jurisdictional error warranting certiorari regardless of whether the Warden acts as an inferior court or administrative tribunal.
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