Income Tax Assessment Act 1997
Short title: ITAA 1997
In plain English
This Act sets out rules for assessing income tax, including how taxable income is calculated and taxed.
The Income Tax Assessment Act 1997 governs how income tax is assessed in Australia. It applies to individuals, companies, and other entities. It outlines rules for determining taxable income, deductions, and offsets. The Act came into force in 1997 and is regularly amended. It's a key piece of legislation for anyone earning income in Australia.
Why it matters
Understanding this Act is vital for Australian businesses. It affects how you calculate and pay income tax. Compliance ensures accurate reporting and avoids potential issues with the ATO.
AI-assisted summary, grounded in the source link below. Generated 2026-05-23 via gemma3:12b.
Summary
Modern federal income tax statute (replaces ITAA 1936 progressively). Covers assessable income, deductions, capital gains tax (Pt 3-1), small business CGT concessions, R&D Tax Incentive (Div 355), transfer pricing (Subdiv 815-D + 815-E), MIT regime (Div 275), and consolidations.
Topics
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Source: https://www.legislation.gov.au/C2004A05138/latest. Rules Mate summarises and links; we don't republish full statutory text. Always verify against the live source before acting.