Adverse Action In The Workplace: Essential Guide For Australian Employers

Navigating employment law can feel complex, especially when you’re dealing with “adverse action” under the Fair Work Act. Getting this right matters - not just to avoid claims and penalties, but to build a fair, transparent workplace where your team can thrive.

This guide breaks down what adverse action is, how it differs from other claims, the common scenarios that create risk for employers, and the practical steps you can take to stay compliant and protect your business.

What Is Adverse Action Under The Fair Work Act?

Adverse action is a legal concept in the Fair Work Act 2009 (Cth). In simple terms, it covers a range of negative actions taken against someone in the workplace (like an employee, prospective employee, or contractor). Those actions become unlawful if they’re taken for certain prohibited reasons.

What counts as “adverse action” by an employer?

Under the Act, examples include:

• Dismissing or threatening to dismiss an employee
• Injuring the employee in their employment (for example, demotion, loss of seniority, or other detriments)
• Altering the employee’s position to their detriment (such as cutting hours or responsibilities without a lawful basis)
• Discriminating between the employee and other employees

When does it become unlawful?

Adverse action is unlawful when it’s taken because of a prohibited reason. Common examples of prohibited reasons include:

• Because the person has, exercises, or proposes to exercise a “workplace right” (for example, making a complaint or inquiry in relation to their employment, taking leave entitlements, or requesting flexible work)
• Because of the person’s industrial activity (e.g. being a union member or participating in lawful industrial activity)
• Because of protected attributes (such as race, sex, disability, age, religion, pregnancy, marital status, or other attributes protected by anti-discrimination laws)
• Because the person is temporarily absent from work due to illness or injury (in certain circumstances)

It’s also important to know that employees and industrial associations can take adverse action under the Act. For example, an employee may engage in industrial action against an employer. In this guide, we focus on risks most relevant to employers.

Why It Matters For Your Business (And How It Differs From Unfair Dismissal)

Adverse action (often called “general protections”) claims carry significant risk. If a court finds unlawful adverse action, it can order compensation, penalties, and even reinstatement. Penalties can be imposed on both the company and individuals “involved in” a contravention (such as directors or managers).

The burden of proof is on employers

In adverse action claims, a key feature is the reverse onus of proof. If someone alleges you acted for a prohibited reason, the law presumes the action was taken for that reason unless you prove otherwise. That’s why contemporaneous records and clear, lawful rationales are critical.

How is this different from unfair dismissal?

Unfair dismissal focuses on whether a dismissal was “harsh, unjust or unreasonable.” General protections (adverse action) is about the reasons behind your decision - whether you acted for a prohibited reason. These are different legal pathways, and an employee may consider one or both depending on eligibility and the circumstances.

If you’re assessing dismissal risk, the criteria in section 387 of the Fair Work Act (for unfair dismissal) are separate to general protections. It’s common to review both risk profiles before taking any termination step.

Everyday Scenarios And Practical Ways To Respond

General protections issues don’t just arise from dramatic disputes. Many claims start with ordinary workplace decisions that aren’t documented well, are made too quickly, or coincide with an employee exercising a right. Being proactive can make all the difference.

Common scenarios that create risk

• Terminating or disciplining someone soon after they make a complaint about pay, safety, discrimination, or bullying
• Reducing hours or changing duties after an employee requests flexible work, returns from parental leave, or makes a workers’ compensation claim
• Refusing to hire or promote someone because of a protected attribute (like age, disability, religion, or pregnancy)
• Altering rosters or responsibilities in a way that disadvantages an employee who recently exercised a workplace right
• Standing someone down without a lawful basis, or without following the proper process

How to respond lawfully and safely

• Clarify your reason: Before you act, identify the real, legitimate business reason and ensure it isn’t connected to a prohibited reason. For example, if the issue is performance, base action on documented performance evidence - not on recent complaints or leave.
• Pause and check the timing: If a complaint or request was made recently, be extra careful to separate and document the decision-making process. Where appropriate, seek advice before moving ahead.
• Use a fair process: For conduct or performance concerns, follow a procedurally fair pathway - such as inviting responses via show cause letters, allowing reasonable time to respond, and considering that response genuinely.
• Stand downs and changes: If contemplating a stand down or a material change to hours/duties, confirm the legal basis and consult as required. For complex matters (e.g. stand down pending investigation), read up on standing down an employee and get advice early.
• Mind your documents: If you need to change terms, ensure you have a lawful mechanism to do so and keep records. For guidance on varying terms correctly, see changing employment contracts.
• Be consistent: Apply policies and standards consistently across the workforce. Treat comparable situations in comparable ways to reduce discrimination risk.

How General Protections Claims Work In Australia

The pathway depends on whether the claim relates to dismissal or not.

1) Claims involving dismissal

• If the dispute is about adverse action that resulted in dismissal, the matter generally starts at the Fair Work Commission (FWC). Strict time limits apply (for example, an application usually needs to be made within 21 days of dismissal).
• FWC will typically hold a conciliation conference. If not resolved, a certificate may be issued and the matter can proceed to court.

2) Claims not involving dismissal

• If the alleged adverse action did not involve dismissal (for example, a demotion or reduction in hours), proceedings usually commence directly in the Federal Court or the Federal Circuit and Family Court.
• Parties can, by consent, ask the FWC to conduct a conference to help resolve the matter. If it doesn’t resolve, proceedings can continue in court.

What outcomes can be ordered?

If a contravention is found, the court can order remedies including compensation, penalties (against the employer and potentially individuals who were “involved in” the contravention), injunctions, and in some cases reinstatement. Because the onus shifts to the employer to prove the reasons for their decision, contemporaneous evidence (emails, meeting notes, performance records, and policy-compliant steps) is essential.

Practical tips for employers in a dispute

• Act promptly and keep calm: Note deadlines carefully. Engage with processes such as conciliation in good faith.
• Organise your file: Gather contracts, policies, performance notes, warnings, correspondence, and any records of complaints or flexible work requests.
• Seek targeted advice: Early advice from an employment lawyer familiar with general protections can help you assess risk, strategy, and settlement options.
• Consider resolution pathways: Conciliation or mediation can be a cost‑effective way to resolve matters and minimise disruption.

What Documents Help Protect Your Business?

Clear, tailored documents reduce the chance of disputes and give you the evidence you need if issues arise. Consider the following as part of your foundation:

• Employment Contract: Defines duties, reporting lines, performance expectations, notice, and confidentiality. Solid contracts support fair management and make changes easier to document and implement.
• Workplace Policy: A suite covering conduct, discrimination, bullying, complaints, performance management, and flexible work procedures. Good policies guide consistent decision‑making (and show your processes are fair).
• Employee Termination Documents: Letter templates, checklists and procedures to manage warnings, show cause, and termination steps properly. This helps you follow a fair process and keep clean records.
• Payment In Lieu Of Notice guidance: If you’re considering paying out notice, ensure you understand the requirements and when it’s appropriate.
• Performance Management Materials: Scripts, meeting notes, and outcome letters that align with your policies. Consistency here is vital to defending the legality of your decisions.
• Return-To-Work And Flex Policies: Clear processes for medical clearances, reasonable adjustments, and flexible work. Consistency reduces discrimination and general protections risk.

If you’re contemplating a restructure or exit, you might also look at separation pathways and documentation, such as separation agreements, to resolve matters cleanly and reduce future claims.

When in doubt, speak with an employment lawyer before making decisions that could affect someone’s role, hours, or employment status. A short check-in can save significant time and cost later.

Key Takeaways

• Adverse action under the Fair Work Act is unlawful when you act against someone for a prohibited reason, such as exercising a workplace right, engaging in industrial activity, or because of a protected attribute.
• The biggest practical risk is the reverse onus: if a claim is made, you must prove your decision was not for a prohibited reason - strong, contemporaneous records are essential.
• General protections (adverse action) is different from unfair dismissal; the former is about your reasons, the latter is about fairness of the dismissal process and outcome.
• Day-to-day risk areas include timing (acting soon after a complaint or request), inconsistent treatment, and undocumented performance issues. Pause, document, and follow a fair process.
• Claims involving dismissal generally start at the FWC; non‑dismissal claims usually proceed to the Federal Court unless parties consent to an FWC conference.
• Foundational documents - an Employment Contract, robust Workplace Policy, and the right termination procedures - reduce disputes and help you defend legitimate decisions.

If you’d like a consultation on protecting your business from adverse action (general protections) risks, or you need help with workplace policies, employment contracts, or compliance, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no‑obligations chat.