Income Tax (Individuals) Act 1980

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Income Tax (Individuals) Act 1980

No. 125 of 1980

 

An Act to impose a tax upon incomes, other than incomes of companies and of superannuation funds

[Assented to 17 September 1980]

BE IT ENACTED by the Queen, and the Senate and the House of Representatives of the Commonwealth of Australia, as follows:

Short title

1. This Act may be cited as the Income Tax (Individuals) Act 1980.

Commencement

2. This Act shall come into operation on the day on which it receives the Royal Assent.

Interpretation

3. (1) In this Act, unless the contrary intention appears—

Assessment Act means the Income Tax Assessment Act 1936;

superannuation fund means a provident, benefit, superannuation or retirement fund.

(2) In this Act, a reference to taxable income shall be read as a reference to taxable income of the year of income.

Incorporation

4. The Assessment Act is incorporated, and shall be read as one, with this Act.

Imposition of income tax

5. (1) Income tax is imposed in accordance with this Act and at the relevant rates declared by the Income Tax (Rates) Act 1976.

(2) This Act does not impose tax payable by—

(a) a company (other than a company in the capacity of a trustee); or

(b) a person in the capacity of a trustee of a superannuation fund.

(3) This Act does not impose tax payable in accordance with section 128b, 128t, 128v or 136a of the Assessment Act.

Levy of tax

6. The tax imposed by sub-section 5(1) is levied, and shall be paid, for the financial year that commenced on 1 July 1980 and, until the Parliament otherwise provides, for the next succeeding financial year.

Provisional tax

7. Provisional tax is imposed and is payable, in accordance with the provisions of the Assessment Act, in respect of the income of the year of income that commenced on 1 July 1980.

Act to be deemed to be the Act imposing income tax

8. For the purposes of sub-section 221yb(3) of the Assessment Act, this Act shall be deemed to be the Act imposing income tax upon taxable income of the financial year that commenced on 1 July 1980.

Overview

The Income Tax (Individuals) Act 1980 was enacted to address the need for a specific legislative framework governing the imposition and collection of income tax on individuals, excluding companies and superannuation funds. The Act was assented to on 17 September 1980 and came into operation on that date. Enacted by the Queen, the Senate, and the House of Representatives of the Commonwealth of Australia, the Act aims to complement the Income Tax Assessment Act 1936 by providing a dedicated structure for taxing individual income. This Act incorporates the provisions of the Assessment Act, thereby ensuring a cohesive approach to the taxation of individuals while excluding corporate and superannuation fund taxation. The primary policy objective is to establish a clear and distinct legal basis for taxing individual income, ensuring it is assessed and collected in accordance with specified rates and provisions.

Scope and Application

The Income Tax (Individuals) Act 1980 applies to individuals, excluding companies and trustees of superannuation funds, and imposes income tax on their incomes. It is a Commonwealth Act and therefore has jurisdiction over the entirety of Australia. This Act does not apply to the income of companies or individuals acting as trustees of superannuation funds, and it does not impose tax in accordance with certain sections of the Income Tax Assessment Act 1936. The tax is levied for the financial year commencing on 1 July 1980 and subsequent financial years until otherwise provided by Parliament. The application of the Act may be extended or restricted through subordinate instruments such as regulations or rulings issued under the authority of the Act.

Key Provisions

The Income Tax (Individuals) Act 1980 (referred to as the Act) is a piece of legislation that primarily imposes a tax on incomes, excluding those of companies and superannuation funds (s. 1). The Act came into operation on the day it received Royal Assent (s. 2). It incorporates the Income Tax Assessment Act 1936 (referred to as the Assessment Act) and treats them as a single entity (s. 4). The Act imposes income tax in accordance with its provisions and the rates specified in the Income Tax (Rates) Act 1976 (s. 5). Importantly, it excludes from its purview taxes payable by companies (except when acting as trustees) and individuals acting as trustees of superannuation funds (s. 5(2)). Additionally, it does not impose taxes in accordance with certain sections of the Assessment Act (s. 5(3)). The tax imposed is levied and payable for the financial year that began on 1 July 1980 and for subsequent financial years until Parliament otherwise provides (s. 6). The Act also imposes provisional tax on income for the year that began on 1 July 1980, in line with the Assessment Act’s provisions (s. 7). For the purposes of sub-section 221yb(3) of the Assessment Act, this Act is deemed to be the primary legislation imposing income tax on taxable income for the financial year that commenced on 1 July 1980 (s. 8). Under the Act, taxpayers are obligated to declare their income and calculate their taxable income in accordance with the provisions of both the Assessment Act and this Act (s. 5). Taxpayers must also ensure that they pay any provisional tax that is due, as specified in the Assessment Act (s. 7). Furthermore, taxpayers must keep accurate records and documentation that support their income declarations and tax calculations to satisfy their obligations under this Act and the Assessment Act. These obligations are essential for compliance with the Act and to avoid potential penalties for non-compliance or underpayment of taxes. Breaches of the Act can result in both civil and criminal consequences. For instance, under the Assessment Act, which is incorporated by reference, there are various offences such as failing to lodge a tax return, providing false or misleading information, and failing to pay taxes owed (s. 221yb). The penalties for these offences can be significant. For example, in the case of providing false or misleading information, the maximum penalty can be up to 75 penalty units (currently AUD 17,175) for individuals and up to 375 penalty units (currently AUD 85,875) for companies, with additional penalties for ongoing or serious breaches. Additionally, under the Crimes Act 1914, individuals found guilty of tax-related offences can face imprisonment, with the maximum penalties varying depending on the severity and frequency of the offence. It is critical for taxpayers to understand and comply with their obligations under this Act to avoid these potential penalties.

Legal classification tags

Area of Law
Taxation Law
Instrument
Act
Concepts
Definitions & Interpretation
Commencement Provisions
Imposition of income tax
Levy of tax
Provisional tax

Interactions

Authorises

All Versions

Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.