The audit reviewed Commonwealth National Parks involving total assets of $105 million with net operating costs of $41.77 million. Nineteen Commonwealth reserves are declared comprising six terrestrial national parks, one botanic garden and twelve marine parks and reserves totalling some 23 million hectares across Australia, its external territories and Commonwealth marine areas. The objective of the audit was to examine and report on the adequacy of the planning, management and reporting systems which support the Director of National Parks in the achievement of required functions under relevant legislation and agreed outputs and outcomes.