Sources
No statutory number on this site is hard-coded. Every rate, threshold and formula lives in a versioned rule pack that cites its official source, records when it was retrieved, and carries a status. Packs marked in review have not yet completed human verification and only run in preview builds behind a visible draft banner.
- au-gst-standardactive · v0.1.0 · 2000-07-01 → open
- How GST worksAustralian Taxation Officehttps://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/how-gst-worksRetrieved 2026-08-20 · sha256 644a6039f367…
- au-cpi-quarterlyactive · v0.1.0 · 2000-03-31 → open
- Statistical table G1 — Consumer Price InflationReserve Bank of Australia (data: Australian Bureau of Statistics)https://www.rba.gov.au/statistics/tables/csv/g1-data.csvRetrieved 2026-08-21 · sha256 c0e8846641ea…
- au-income-tax-2024-25active · v0.1.0 · 2024-07-01 → 2025-06-30
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- Tax rates - foreign residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-foreign-residentsRetrieved 2026-08-20 · sha256 ea6417039778…
- Low income tax offsetAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/income-deductions-offsets-and-records/tax-offsets/low-income-tax-offsetRetrieved 2026-08-20 · sha256 6b57242f3859…
- au-income-tax-2025-26active · v0.1.0 · 2025-07-01 → 2026-06-30
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- Tax rates - foreign residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-foreign-residentsRetrieved 2026-08-20 · sha256 ea6417039778…
- Low income tax offsetAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/income-deductions-offsets-and-records/tax-offsets/low-income-tax-offsetRetrieved 2026-08-20 · sha256 6b57242f3859…
- au-income-tax-2026-27active · v0.1.0 · 2026-07-01 → 2027-06-30
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- Schedule 15 - Tax table for working holiday makersAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/schedule-15-tax-table-for-working-holiday-makersRetrieved 2026-08-20 · sha256 4384d2696d1e…
- Low income tax offsetAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/income-deductions-offsets-and-records/tax-offsets/low-income-tax-offsetRetrieved 2026-08-20 · sha256 6b57242f3859…
- au-medicare-2024-25active · v0.1.0 · 2024-07-01 → 2025-06-30
- Medicare levy surcharge income, thresholds and ratesAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy-surcharge/medicare-levy-surcharge-income-thresholds-and-ratesRetrieved 2026-08-20 · sha256 7e5cad9e27fb…
- Medicare levy reduction for low income earnersAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-for-low-income-earnersRetrieved 2026-08-20 · sha256 4db74ea01f66…
- Medicare levy reduction - family incomeAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-family-incomeRetrieved 2026-08-20 · sha256 ae00038c6685…
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- au-medicare-2025-26active · v0.1.0 · 2025-07-01 → 2026-06-30
- Medicare levy surcharge income, thresholds and ratesAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy-surcharge/medicare-levy-surcharge-income-thresholds-and-ratesRetrieved 2026-08-20 · sha256 7e5cad9e27fb…
- Medicare levy reduction for low income earnersAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-for-low-income-earnersRetrieved 2026-08-20 · sha256 4db74ea01f66…
- Medicare levy reduction - family incomeAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-family-incomeRetrieved 2026-08-20 · sha256 ae00038c6685…
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- au-medicare-2026-27active · v0.1.0 · 2026-07-01 → 2027-06-30
- Medicare levy surcharge income, thresholds and ratesAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy-surcharge/medicare-levy-surcharge-income-thresholds-and-ratesRetrieved 2026-08-20 · sha256 7e5cad9e27fb…
- Medicare levy reduction for low income earnersAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-for-low-income-earnersRetrieved 2026-08-20 · sha256 4db74ea01f66…
- Medicare levy reduction - family incomeAustralian Taxation Officehttps://www.ato.gov.au/individuals-and-families/medicare-and-private-health-insurance/medicare-levy/medicare-levy-reduction/medicare-levy-reduction-family-incomeRetrieved 2026-08-20 · sha256 ae00038c6685…
- Tax rates - Australian residentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/tax-rates-australian-residentsRetrieved 2026-08-20 · sha256 43f19b929706…
- au-stsl-2024-25active · v0.1.0 · 2024-07-01 → 2025-06-30
- Study and training support loans rates and repayment thresholdsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/study-and-training-support-loans-rates-and-repayment-thresholdsRetrieved 2026-08-20 · sha256 41e7225925f4…
- au-stsl-2025-26active · v0.1.0 · 2025-07-01 → 2026-06-30
- Study and training support loans rates and repayment thresholdsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/study-and-training-support-loans-rates-and-repayment-thresholdsRetrieved 2026-08-20 · sha256 41e7225925f4…
- au-stsl-2026-27active · v0.1.0 · 2026-07-01 → 2027-06-30
- Study and training support loans rates and repayment thresholdsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/study-and-training-support-loans-rates-and-repayment-thresholdsRetrieved 2026-08-20 · sha256 41e7225925f4…
- au-super-guarantee-2024-25active · v0.1.0 · 2024-07-01 → 2025-06-30
- Super guarantee percentage and maximum contribution baseAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/key-superannuation-rates-and-thresholds/super-guaranteeRetrieved 2026-08-20 · sha256 7dc348829c88…
- au-super-guarantee-2025-26active · v0.1.0 · 2025-07-01 → 2026-06-30
- Super guarantee percentage and maximum contribution baseAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/key-superannuation-rates-and-thresholds/super-guaranteeRetrieved 2026-08-20 · sha256 7dc348829c88…
- au-super-guarantee-2026-27active · v0.1.0 · 2026-07-01 → 2027-06-30
- Super guarantee percentage and maximum contribution baseAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/key-superannuation-rates-and-thresholds/super-guaranteeRetrieved 2026-08-20 · sha256 7dc348829c88…
- au-payg-withholding-2026-27active · v0.1.0 · 2026-07-01 → 2027-06-30
- Schedule 1 - Coefficients for withholding from weekly payments (from 1 July 2026)Australian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/payg-withholding-schedule-1-statement-of-formulas-for-calculating-amounts-to-be-withheld/coefficients-to-use-in-formulas-for-withholding-from-weekly-paymentsRetrieved 2026-08-20 · sha256 64b736de0a42…
- Schedule 8 - Statement of formulas for calculating STSL componentsAustralian Taxation Officehttps://www.ato.gov.au/tax-rates-and-codes/schedule-8-statement-of-formulas-for-calculating-study-and-training-support-loans-componentsRetrieved 2026-08-20 · sha256 377996d2f98b…
- au-stamp-duty-nswactive · v0.1.0 · 2026-07-01 → open
- Transfer duty - current thresholds and ratesRevenue NSWhttps://www.revenue.nsw.gov.au/_resources/duties-links/current-thresholds-and-ratesRetrieved 2026-08-20 · sha256 1f23b707ca19…
- au-stamp-duty-vicin_review · v0.1.0 · 2026-07-01 → open
- Land transfer duty current rates (fetch blocked)State Revenue Office Victoriahttps://www.sro.vic.gov.au/land-transfer-duty-current-ratesRetrieved 2026-08-20
- au-stamp-duty-qldactive · v0.1.0 · 2026-07-01 → open
- Transfer duty ratesQueensland Revenue Officehttps://qro.qld.gov.au/duties/transfer-duty/calculating/rates/Retrieved 2026-08-20 · sha256 5324d6654f4d…
- au-stamp-duty-wain_review · v0.1.0 · 2026-07-01 → open
- Transfer duty rates (page not located)RevenueWAhttps://www.wa.gov.au/organisation/department-of-treasury/revenuewaRetrieved 2026-08-20
- au-stamp-duty-sain_review · v0.1.0 · 2026-07-01 → open
- Stamp duty on land calculation page (client-rendered)RevenueSAhttps://www.revenuesa.sa.gov.au/stamp-duty-land/calculate-stamp-dutyRetrieved 2026-08-20 · sha256 ef5cfe0ff674…
- au-stamp-duty-tasactive · v0.1.0 · 2026-07-01 → open
- Property transfer duties - rates of dutyState Revenue Office Tasmaniahttps://www.sro.tas.gov.au/property-transfer-duties/rates-of-dutyRetrieved 2026-08-20 · sha256 62fb1e335cfa…
- au-stamp-duty-actin_review · v0.1.0 · 2026-07-01 → open
- Conveyance duty page (client-rendered)ACT Revenue Officehttps://www.revenue.act.gov.au/duties/conveyance-dutyRetrieved 2026-08-20 · sha256 2ff8fc039d08…
- au-stamp-duty-ntin_review · v0.1.0 · 2026-07-01 → open
- Stamp duty pages (formula not present in fetched HTML)Northern Territory Revenue Officehttps://nt.gov.au/property/buying-and-selling-a-home/stamp-dutyRetrieved 2026-08-20 · sha256 037a80a03662…