Tax Laws Amendment (2004 Measures No. 7) Act 2005 (41 of 2005)
Schedule 5 Petroleum exploration incentives
Petroleum Resource Rent Tax Assessment Act 1987
2 Section 2
designated frontier expenditure , in relation to a petroleum project and a financial year, means exploration expenditure that is actually incurred:
(a) by a person in that year where the eligible exploration or recovery area in relation to the project is a designated frontier area; and
(b) during the original period of the exploration permit concerned (before the permit is first renewed or ceases to be in force);
other than exploration expenditure that is incurred in evaluating or delineating a petroleum pool (within the meaning of the Petroleum (Submerged Lands) Act 1967) that has been discovered in a designated frontier area.