Section 100Income Tax Assessment Act 1997 (Cth)

‑1  What this Division is about

This Division is a simplified outline of the capital gains and capital losses provisions, commonly referred to as capital gains tax (CGT). It will help you to understand your current liabilities, and to factor CGT into your on‑going financial affairs.

Table of sections

100‑5 Effect of this Division

100‑10 Fundamentals of CGT

100‑15 Overview of Steps 1 and 2

Step 1—Have you made a capital gain or a capital loss?

100‑20 What events attract CGT?

100‑25 What are CGT assets?

100‑30 Does an exception or exemption apply?

100‑33 Can there be a roll‑over?

Step 2—Work out the amount of the capital gain or loss

100‑35 What is a capital gain or loss?

100‑40 What factors come into calculating a capital gain or loss?

100‑45 How to calculate the capital gain or loss for most CGT events

Step 3—Work out your net capital gain or loss for the income year

100‑50 How to work out your net capital gain or loss

100‑55 How do you comply with CGT?

Keeping records for CGT purposes

100‑60 Why keep records?

100‑65 What records?

100‑70 How long you need to keep records

Sourced from the Federal Register of Legislation at 25 May 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au. Verify the current text against the official source before relying on it.

Related sections

Research how courts apply s 100

BriefBridge searches Australian caselaw by meaning — every answer cited to the paragraph.

Try BriefBridge free