Calculating petroleum royalty
Petroleum royalty is calculated by applying a prescribed rate to the petroleum produced during a return period.
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New and updated rulings on reassessments
The Commissioner has issued a new ruling and updated other rulings on reassessments under s.17 of the Taxation Administration Act.
2 December 2025
Office closure—Christmas 2025
Our office will be closed from 24 December to 1 January 2026.
1 December 2025
Royalty prices and rates for July–September
The royalty prices and rates for the July to September 2025 quarter are expected to be published by Monday 13 October 2025.
1 October 2025