Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Hiring casual employees can be a smart way to manage fluctuating workloads and seasonality in your business. But when it comes to “probation”, many employers wonder whether the same rules that apply to full-time and part-time staff also apply to casuals.
The short answer: in Australia, probation is primarily a contractual concept used for permanent employees, and casuals are treated differently under workplace law. That said, you still need a clear framework for onboarding, assessing performance and-if needed-ending a casual engagement lawfully.
In this guide, we’ll explain how probation works, what it means for casual employees, and the practical steps to manage risk, stay compliant with the Fair Work system and set your business up for success.
What Is A Probation Period?
Probation is a period at the start of employment designed to assess whether the role and the employee are a good fit. It’s usually written into an employment contract for full-time and part-time staff and often lasts 3 or 6 months.
During probation, the employer typically monitors performance, conduct and cultural fit. The contract may provide shorter notice periods for termination during probation, and some entitlements can be managed differently (within the law and any applicable award or enterprise agreement).
It’s important to keep in mind that probation is not a separate legal category under the Fair Work Act 2009-it’s a contractual tool. Other legal concepts, like the minimum employment period for unfair dismissal eligibility, operate separately to any probation period set in the contract.
Do Probation Periods Apply To Casual Employees?
Casual employment is different to permanent employment. Casuals have no guaranteed hours, no ongoing commitment, and are generally engaged shift to shift. Because of this, casual employees don’t usually have a “probation period” in the same way a permanent employee does.
That doesn’t mean you can’t have a structured onboarding or assessment period. It just means your focus should be on the casual engagement terms, rostering practices, performance feedback and fair, lawful processes for ending shifts or ceasing engagement if things aren’t working out.
Unfair Dismissal And The Minimum Employment Period
Whether a casual can bring an unfair dismissal claim depends on more than just a contract label. To be eligible, the casual must generally:
- Have completed the minimum employment period (6 months, or 12 months for a small business employer); and
- Be employed on a regular and systematic basis, with a reasonable expectation of continuing employment.
This eligibility test is separate from any contractual “probation”. In other words, calling the first few months “probation” doesn’t prevent an eligible casual from bringing a claim if the legal criteria are met. If you have concerns about ending employment during an assessment period, it’s wise to review your process against best-practice guidance on termination during probation.
Casual Conversion And Longer-Term Planning
Under the National Employment Standards (NES), many casual employees have a right to be considered for conversion to permanent employment after meeting certain criteria (e.g. 12 months’ service and a regular pattern of hours, subject to eligibility rules and reasonable business grounds). Plan ahead: your onboarding, rostering and performance reviews should support a smooth path-whether you continue casual engagement, offer conversion, or lawfully decline on reasonable grounds.
Hiring Casuals: Contracts, Trial Shifts And Onboarding
Even without a formal probation period, you’ll want a clear, written foundation for your casual engagements. This protects your business, sets expectations and reduces confusion for staff.
Use A Proper Casual Employment Contract
A well-drafted casual contract should cover status (genuine casual engagement), casual loading, award classification where relevant, rostering, availability, shift acceptance, termination of engagement, confidentiality and IP, and workplace policies. Clear clauses help manage the assessment period in a fair, consistent way.
If you don’t have one already, consider putting an Employment Contract (Casual) in place before the first shift. It’s also smart to ensure your policies align with the contract so managers follow a consistent process from day one.
Trial Shifts Must Be Paid
It’s common to run a short trial to assess basic skills, safety awareness and customer service. However, “unpaid trials” are risky and often unlawful. In almost all cases, prospective employees performing productive work must be paid for the trial shift and receive the right entitlements under the relevant award or agreement.
Check your obligations around trial shift pay and be mindful that “work trials” should be brief, genuine assessments-not free labour. If someone performs real work, pay them correctly. If you’re considering evaluations beyond a short demonstration, read up on limits for unpaid work trials.
Set Expectations Early
Good onboarding gives your casuals the best chance to succeed. Provide a clear position description, a simple performance checklist and a safe, well-documented induction. A practical approach is:
- Outline the essential duties and quality standards for the role.
- Explain rostering processes, how to accept shifts and who to contact if unavailable.
- Walk through key policies (safety, behaviour, leave requests, social media where relevant).
- Schedule a quick check-in after the first few shifts to address questions early.
This structure feels like “probation” without the legal confusion-helping you assess suitability while supporting the worker to perform well.
Ending A Casual Engagement During An Assessment Period
If a casual arrangement isn’t working, you can generally stop offering shifts or end the engagement-provided you act lawfully, fairly and consistently with any applicable award, enterprise agreement or contract.
Notice And Payments
Casuals generally aren’t entitled to notice of termination (or redundancy pay). That said, some awards or contracts may require certain notifications or processes, especially if you’ve been rostering far in advance or have agreed to specific shift patterns.
It’s also important not to cancel shifts at the last minute without proper consideration. Some modern awards include specific requirements or penalties around cancelling or changing shifts. As a baseline, follow good practice on minimum notice when cancelling casual shifts and communicate early if plans change.
Process And Documentation
While casuals don’t have the same job security as permanent employees, process still matters. Keep notes of performance conversations, training provided and feedback timelines. If you decide to cease engagement, keep a brief record of the objective reasons (e.g. persistent unavailability, repeated failures to meet safety standards, or performance concerns discussed earlier).
This kind of record-keeping can be invaluable if a dispute arises about eligibility for unfair dismissal or if the employee alleges that adverse action was taken for a prohibited reason. A calm, respectful conversation and a short confirmation email often go a long way.
Unfair Dismissal Risk And Small Business Considerations
Eligibility for unfair dismissal depends on the minimum employment period and regular and systematic employment. If a casual is potentially eligible, tread carefully and consider a measured performance management process even though they’re casual. For small business employers (fewer than 15 employees), the minimum employment period is longer (12 months), but general protections and adverse action laws still apply from day one.
If you’re unsure whether to proceed or how to frame the conversation, seek advice early. A short consultation can help align your process with guidance around termination during probation and reduce risk.
Rights During An Assessment Period: Leave, Breaks And Safety
Even if you’re treating the early weeks like “probation”, casual employees retain core workplace rights. Be mindful of the following areas from day one.
Breaks And Rosters
Break entitlements depend on the applicable modern award or enterprise agreement. Many awards set out rest breaks and meal breaks based on shift length. Build rosters that reflect these rules and give managers clear instructions. For general guidance, review the basics on Fair Work breaks and then check the specific award provisions for your industry.
Sick Leave And Evidence Requirements
Casuals don’t accrue paid sick leave, but they still have protections around work health and safety and can be asked for reasonable evidence (like a medical certificate) when they’re unwell and can’t attend a shift. Any evidence request should be consistent, proportionate and aligned with the applicable award or your policy. If you need to set up a fair, workable process, this overview of medical certificates for casual employees is a helpful starting point.
For permanent staff on probation, questions often arise about paid entitlements and evidence too. If you employ a mix of casual and permanent workers, it’s worth understanding how leave during probation works for non-casuals so your policies stay consistent across the team.
Work Health And Safety (WHS)
You must provide a safe workplace for everyone, including casuals. That means appropriate induction, supervision and equipment from the first shift. If a worker is unwell or injured, take it seriously. In some cases, you can request medical clearance before returning to work, provided the request is reasonable and aligned with privacy and discrimination laws.
Communication And Conduct
Clear, respectful communication is essential-especially in the first weeks. If something isn’t working, raise it early and offer support or retraining where feasible. If the issue is serious (for example, safety breaches or misconduct), follow a fair process and consider formal steps like a written warning or a show cause letter where appropriate.
Practical Tips To Manage “Probation” For Casuals
Think of the initial weeks with a casual as a structured assessment period rather than a formal probation. These practical steps will help:
- Use a written casual contract that sets out status, loading, rostering and how shifts are accepted.
- Induct properly: safety briefing, duties, who to ask for help, and a simple, role-specific performance checklist.
- Pay for any trial shifts and comply with award obligations for breaks and penalties.
- Schedule an early check-in (after 2-3 shifts) to provide feedback and invite questions.
- Keep brief notes of key discussions and any follow-up training.
- If you end the engagement, communicate respectfully and confirm the decision in writing.
This approach gives you many of the benefits of a probation framework-without creating confusion about entitlements or eligibility under the Fair Work system.
When To Get Legal Help
Reach out for tailored advice if you’re navigating issues like complex rostering, potential eligibility for unfair dismissal, or overlapping obligations under an enterprise agreement. A short chat with an employment lawyer can clarify your options and help you document a fair, compliant process.
What Documents And Policies Should You Have In Place?
Getting the paperwork right up front makes “probation-like” periods easier to manage and reduces the risk of disputes. As a starting point, consider the following:
- Employment Contract (Casual): Sets the ground rules for casual engagement, including loading, rostering, cancellations and termination. A tailored casual contract is essential.
- Workplace Policies: Concise policies for conduct, WHS, bullying and harassment, breaks and rostering help managers apply rules consistently.
- Privacy Policy: If you collect personal information from staff or customers (e.g., onboarding forms or HR systems), make sure your processes align with a clear Privacy Policy and the Privacy Act requirements.
- Performance And Discipline Templates: Simple forms for feedback notes, warnings and meeting records streamline fair process (especially useful if issues arise early on).
- Termination Checklist: A short checklist keeps the offboarding process consistent-final pays, records, roster removals and access deactivation.
Where you also employ permanent staff, add the right contract template for each category, and align your documents so policies don’t contradict the terms of employment. If you’re unsure where to start, an employment law package can combine documents with advice so you’re not piecing it together alone.
Common Misconceptions About Casual “Probation”
“If I Write ‘Probation’ In A Casual Contract, I Can End It However I Like.”
Not quite. Casuals can generally be de-rostered or have engagements ended, but you still need to comply with the Fair Work system, any applicable award, and general protections laws. Process and documentation still matter.
“Unpaid Trials Are Fine During Probation.”
Work performed during a trial is usually paid work. Limit trials to genuine, short demonstrations and pay correctly for productive work. Refer to guidance on trial shift pay and the allowable scope of unpaid work trials.
“Casuals Don’t Have Rights During Probation.”
There’s no special “probation” carve-out for casuals. They still have workplace rights and protections around safety, discrimination, pay, breaks and adverse action from day one.
Key Takeaways
- Casual employees typically don’t have a formal “probation period” like permanent staff, but you can still run a structured assessment process from day one.
- Eligibility for unfair dismissal depends on the minimum employment period and whether the casual worked on a regular and systematic basis with a reasonable expectation of continuing employment.
- Use clear documents-especially an Employment Contract (Casual)-and align your policies on rostering, breaks and performance.
- Pay for trial shifts and comply with award rules on breaks, shift cancellations and penalties; last-minute cancellations can trigger obligations, so plan rosters carefully.
- If you need to end a casual engagement, act respectfully, follow any award or contract requirements and keep brief records of your reasons and conversations.
- When in doubt-especially around termination risk, conversion requests or complex rosters-get tailored guidance from an employment lawyer early.
If you would like a consultation on managing probation-like periods for casual employees, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.


