The bill was rejected or lapsed before becoming law.
Treasury Laws Amendment (Timor Sea Maritime Boundaries Treaty) 2019
✦ Plain-English Summary
Treasury Laws Amendment (Timor Sea Maritime Boundaries Treaty) 2019
What it does
Australia and Timor-Leste signed a treaty in 2018 that officially settled their maritime border in the Timor Sea — an area with valuable oil and gas resources. This bill updates Australian tax law to handle what happens to existing petroleum operations in that region now that the border is officially defined.
Why it matters
For decades, the maritime boundary was disputed, which created legal uncertainty for companies operating in the area. This clarifies the tax rules so oil and gas companies know exactly what their obligations are going forward, and it ensures Australia and Timor-Leste can properly tax their respective shares of the resources.
Key details
- The tax changes only kick in once the treaty officially comes into force for Australia — not when Parliament passes the bill. This gives companies time to prepare.
- The law creates special rules for "transitioned petroleum activities" (existing operations affected by the new border) covering capital allowances, capital gains tax, and how companies can carry forward tax losses.
- The bill amends several tax acts including income tax law, GST law, and fringe benefits tax, plus the older Petroleum (Timor Sea Treaty) Act from 2003, showing this affects the whole tax framework around the region.
Audit History
Introduced
24 July 2019
Last updated on APH
10 Apr 2026
Outcome date
7 Aug 2019
Last checked by Crossbench
5 days ago
Full text indexed
5 days ago
No formal division recorded
This bill passed by voice vote — parliament agreed without calling a formal count. A division is only recorded when a member explicitly requests one.
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