Australia Official Source Registry
Rule version AU-2026-27-v1, effective 1 July 2026 β 30 June 2027, last reviewed 7 October 2026.
Federal and state sources
| Authority | Rule source | Effective | Checked |
|---|---|---|---|
| Australian Parliament / ATO | Resident individual tax rates for 2026β27 | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Foreign resident tax rates | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Low income tax offset | 2022-07-01 | 2026-10-07 |
| Australian Government | 2026 withholding schedules β Medicare levy parameters | 2026-07-01 | 2026-10-07 |
| Australian Government Department of Health | Medicare Levy Surcharge thresholds 2026β27 | 2026-07-01 | 2026-10-07 |
| Australian Government Department of Education | HELP loan repayments 2026β27 | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Super guarantee rates and thresholds | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Payday Super from 1 July 2026 | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Super contribution caps | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Division 293 tax | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Capital gains tax discount | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | How GST works and registration thresholds | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Company tax rates and base rate entities | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Franking credits and gross-up | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Deductions you can claim | 2026-07-01 | 2026-10-07 |
| Federal Register of Legislation | Standard deduction for work-related expenses β Treasury Laws Amendment (Tax Reform No. 1) Act 2026 | 2026-07-01 | 2026-10-07 |
| Australian Taxation Office | Cents per kilometre rate 2026β27 | 2026-07-01 | 2026-10-07 |
| Revenue NSW | Transfer duty rates 2026β27 | 2026-07-01 | 2026-10-07 |
| State Revenue Office Victoria | Current land transfer duty rates | 2026-07-01 | 2026-10-07 |
| Queensland Revenue Office | Transfer duty and home concession rates | 2026-08-01 | 2026-10-07 |
| RevenueWA | Transfer duty assessment and rates | 2026-07-01 | 2026-10-07 |
| RevenueSA | Calculate stamp duty | 2026-09-15 | 2026-10-07 |
| State Revenue Office Tasmania | Property transfer duty rates | 2026-07-01 | 2026-10-07 |
| ACT Revenue Office | Conveyance duty for non-commercial property | 2026-07-01 | 2026-10-07 |
| Northern Territory Treasury | 2026β27 stamp duty rates | 2026-07-01 | 2026-10-07 |