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Payroll tax grouping in Western Australia

Western Australia's Pay-roll Tax Assessment Act groups an employer with the businesses its employees work solely or mainly for, and it bars excluding a company from a group that includes a related company. RevenueWA administers the Act, and the designated group employer takes the group's deduction in its monthly returns.

  • By Book Keeping Pros
  • Sources checked 15 Oct 2026

The rules in Western Australia

Payroll tax grouping in Western Australia
What it isValueWhen it appliesWhere it is set
Related companies form a groupYesAs published on 1 July 2019s 30: grouping corporations
An employer and businesses its employees work solely or mainly for form a groupYesAs published on 1 July 2019s 31(1): employees used in another business
Businesses under common control form a groupYesAs published on 1 July 2019s 32(2): commonly controlled businesses
Voting power in a company above which a person has a controlling interest50%As published on 1 July 2019s 33(2): voting shares in a corporation
The commissioner can exclude a business from a groupYesAs published on 1 July 2019s 38(1): exclusion from groups
A company can be excluded from a group that includes a related companyNoAs published on 1 July 2019s 38(2): related bodies corporate cannot be excluded
Group member that takes the group's deduction in its monthly returnsThe designated group employerAs published on 1 July 2019s 19(2): tax payable by the designated group employer
Each group member is liable for the group's payroll taxYesAs published on 1 July 2019s 7(2): joint and several liability of group members

Each rule is read from the source and provision shown; the sources are listed below. Checked 15 Oct 2026.

What it means for your books

  • Records of which business each employee works for, and how much of their time goes to it, bear on whether staff work solely or mainly for another business.
  • The commissioner can exclude a business from a group, but a company stays grouped with its related companies. A chart of the group's companies and how they relate, kept with the books, shows which members that limit covers.
  • The designated group employer's monthly returns carry the group's deduction, so its records can show the deduction taken in each month.
  • Each member is liable for the group's payroll tax. What that means for a particular member is a question for your accountant or RevenueWA.

General information

This page is general information about payroll tax grouping in Western Australia. It does not say whether the rules apply to a particular business. RevenueWA administers them, and its page is listed in the sources. Check the official pages before acting. Sources checked 15 October 2026.

Sources

  1. Pay-roll Tax Assessment Act 2002 (WA), version 04-d0-03

    Parliamentary Counsel's Office, Western Australia. Version 04-d0-03, as at 1 July 2019, released 1 July 2019. Checked 15 October 2026.

    Sourced from the Western Australian Legislation website (www.legislation.wa.gov.au), licensed under CC BY 4.0 Licence: CC BY 4.0.

  2. About payroll tax

    RevenueWA (Department of Treasury and Finance, Western Australia). Page last updated 14 April 2026, released 14 April 2026. Checked 15 October 2026.

    © State of Western Australia Licence: WA.gov.au terms of use: copyright, State of Western Australia (personal, educational or in-house non-commercial use with attribution).

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