Can An Employer Do That In Australia?

As a small business owner, you make hundreds of decisions about your team - from rostering and leave to performance and pay. It’s normal to wonder, “Can an employer legally do this?”

Australian employment law is protective and detailed. The Fair Work system sets minimum standards, and there are additional rules in awards, enterprise agreements, contracts and workplace policies.

In this guide, we’ll walk through the big-ticket employer questions, explain what the law expects, and show you how to make compliant, fair decisions that protect your business.

First Things First: What Sets The Boundaries For Employers?

In Australia, your powers as an employer are shaped by a few layers of rules:

• National Employment Standards (NES) under the Fair Work Act set minimum conditions (like leave entitlements and termination notice).
• Modern awards or enterprise agreements (if they apply) add role or industry-specific rules (e.g. rosters, breaks, allowances, penalty rates).
• Your contracts and internal policies define how you and your staff agree to work together, provided they don’t go below the legal minimums.
• Other laws also apply - anti-discrimination, work health and safety, privacy and surveillance, and state-based long service leave.

When you’re asking “Can an employer…?”, always check these four layers. If your decision conflicts with any of them, it’s a risk.

Can An Employer Do These Common Things?

Below are the questions we hear most from Australian employers, with a practical summary of what you can and can’t do - and the safe process to follow.

Can An Employer Reduce An Employee’s Hours?

Sometimes you need to cut costs or respond to demand, but a unilateral change to hours can be risky. Awards often set minimum contracted hours, consultation obligations, and rules about varying rosters.

If you need to scale down, follow any award consultation requirements, explore a mutual variation in writing, and think about alternatives such as temporary redeployment or agreed part-time changes. There are strict rules if you’re considering stand down or redundancy.

For practical steps and risks, read more about reducing employee working hours.

Can An Employer Cancel A Casual Shift?

Casual rosters can change - but you must comply with the applicable award or agreement. Many awards require minimum notice for cancelling or changing shifts, and some require payment where late notice is given.

Have clear rostering processes, communicate early, and document any cancellation notice. If your business frequently adjusts shifts, build that flexibility into your scheduling system and policies.

For a compliance checklist, see cancelling casual employee shifts legally.

Can An Employer Refuse Annual Leave?

Employees accrue annual leave and can request to take it. You can refuse, but only on “reasonable business grounds” (e.g. peak trading period or insufficient staffing). Refusals should be fair, consistent, and explained in writing, with an invitation to propose alternative dates.

It also helps to have a leave policy that sets blackout periods and application timeframes, aligned with your award and the NES.

Get clarity on what “reasonable” looks like in this Q&A on whether an employer can refuse annual leave.

Can An Employer Require A Medical Certificate Or Fit-To-Work Clearance?

Yes, in many cases. You can require evidence (like a medical certificate) when an employee takes paid personal/carer’s leave. You can also request a return-to-work clearance where there are genuine health and safety concerns, or when the role has inherent requirements that need medical confirmation.

Always limit the request to what’s necessary, respect privacy, and keep health information confidential in line with your privacy obligations.

Here’s a helpful guide on when employers can request medical certificates.

Can An Employer Withhold Pay?

Don’t withhold wages as leverage - that’s unlawful. The Fair Work Act strictly limits deductions from pay. You can only deduct where it’s permitted by law, an award or agreement, or a written, genuine agreement with the employee for their benefit (for example, salary sacrifice). Overpayment recovery is possible but must follow a fair process and applicable laws.

If you’re considering deductions for equipment, uniforms, or training, seek advice first and ensure your contracts and policies are tight.

Read the rules around withholding pay before you act.

Can An Employer Restrict Secondary Employment Or Side Gigs?

You can set reasonable expectations to prevent conflicts of interest, protect confidential information and ensure performance. Blanket bans are risky. Instead, use a contract clause and policy that requires disclosure and consent for outside work that may conflict, and prohibit using your business’ time, resources or IP for side work.

Assess requests case-by-case and document approvals or conditions. This balanced approach protects your business while staying fair to employees.

Can An Employer Change Rosters At Short Notice?

Often yes, but check the applicable award. Many awards set minimum notice periods for roster changes, limits on last-minute changes, and penalties if notice isn’t met. Some also guarantee minimum daily hours.

Build in a consultation step, keep records of the change, and make sure managers understand the minimum notice obligations for each role.

Can An Employer Stand An Employee Down Pending Investigation?

In serious misconduct matters, a paid stand down pending investigation is sometimes appropriate, provided your contract and policies allow it and the situation warrants it. The stand down should be for the shortest reasonable time, and you should notify the employee in writing with clear reasons and next steps.

If you’re contemplating a stand down for operational reasons (for example, a stoppage of work outside your control), different strict rules apply. Always confirm your legal basis before standing anyone down.

Can An Employer Set Or Change Breaks?

Break entitlements are usually set by awards or agreements - you can’t go under them. You can implement fair, consistent scheduling systems that align with those entitlements and your operational needs.

Train supervisors on when paid and unpaid breaks are required, how long they must be, and how to roster them without disrupting service.

Can An Employer Direct Staff To Use Or Not Use Their Phones?

Yes, within reason. You can set expectations for phone use at work to manage productivity, safety and confidentiality. Your policy should address personal devices, company devices, and any monitoring. If you operate in a safety-critical environment, stronger controls may be justified.

Make sure the policy is accessible, training is provided, and disciplinary steps are transparent and proportionate.

Can An Employer Record Calls Or CCTV At Work?

Surveillance rules vary by state and territory. Generally, businesses need to provide notice and comply with strict requirements for call recording and workplace cameras. Covert surveillance is heavily restricted.

Get clear on your jurisdiction’s rules, update your policies and onboarding materials, and post notices if filming or recording occurs.

Can An Employer Pay “All-In” Rates?

All-in salary arrangements must still meet minimum entitlements. If you’re offsetting award entitlements (like overtime or penalties) against a higher salary, the contract needs a clear set-off clause and a method to reconcile. Keep time and attendance data and conduct periodic reviews to ensure the salary stays ahead of minimums.

Can An Employer Put Someone On Garden Leave?

Garden leave can be used during notice periods to keep an employee away from your business and clients while remaining employed and paid. This should be supported by your contract and used reasonably, particularly for senior staff or those with access to sensitive information.

Can An Employer Terminate During Probation?

Probationary periods don’t remove all legal obligations. Minimum notice applies, and protections against discrimination and adverse action still stand. If performance isn’t where it needs to be, follow a fair process, give clear feedback, and document decisions.

Can An Employer Enforce Post-Employment Restraints?

Restraints (non-compete, non-solicit, confidentiality) must be reasonable in scope, duration and geography to be enforceable. Tailor restraints to the employee’s role and legitimate business interests, and avoid one-size-fits-all clauses.

What Documents And Policies Should You Have In Place?

Strong paperwork makes lawful decisions easier and reduces disputes. At a minimum, consider putting these in place:

• Employment Contract: Sets the role, hours, pay, award coverage, confidentiality, IP, conflicts and termination terms. Make sure it’s aligned with the NES and any award.
• Workplace Policy: Central rules for conduct, rosters, breaks, leave requests, secondary employment, privacy, and use of devices. Policies should be accessible and applied consistently.
• Leave And Absence Procedures: A clear process for requesting annual leave, providing medical evidence for personal/carer’s leave, and returning to work after illness or injury.
• Performance And Misconduct Procedures: Steps for informal feedback, formal warnings, investigations, and (where needed) stand down decisions.
• Safety And Surveillance Policies: Expectations for safe work, incident reporting, call recording or CCTV (if relevant), and how you handle personal information.
• Pay And Hours Framework: Clear rules on overtime approval, timekeeping, penalties, and any set‑off arrangement, supported by an award mapping and periodic checks.

Well-drafted contracts and policies won’t remove all risk, but they give you a lawful path to follow and help you defend your decisions if challenged.

Step-By-Step: How To Make A Lawful Employer Decision

When you’re about to take action - change a roster, refuse a leave request, or discipline someone - use this quick decision framework.

1) Identify The Legal Baseline

• Check which modern award or enterprise agreement applies (if any).
• Confirm NES minimums (leave, notice, redundancy, flexible work requests, etc.).
• Review any relevant legislation (e.g. anti‑discrimination, WHS, privacy).

2) Check Your Own Documents

• Read the Employment Contract for the clause you’re relying on (hours, rostering, evidence, set‑off, garden leave, stand down).
• Confirm your Workplace Policy and procedures are up to date and consistent with the law.

3) Consult And Communicate

• If an award requires consultation (e.g. changing hours/rosters), follow it - in writing.
• Explain your business reasons, invite feedback, and consider alternatives.
• Be consistent across staff to avoid discrimination risks.

4) Document The Decision

• Confirm the decision, timing and rationale in writing.
• Include any right to appeal, support person invitations, or next steps (for performance or investigation matters).

5) Review For Risk And Fairness

• Sense-check: Would this look reasonable to an external reviewer?
• Is there any risk of adverse action (e.g. the employee recently exercised a workplace right)?
• If unsure, pause and get legal guidance before implementing.

Hot Spots Where Employers Get Caught Out

Even well-meaning employers stumble on the same issues. Keep an eye on these areas:

• Late or inadequate shift cancellation notice for casuals, triggering penalties or grievances. Use the rules in casual shift cancellation as a checklist.
• Reducing hours without consultation or proper variation, leading to underpayment or constructive dismissal claims - review the steps for reducing hours lawfully.
• Refusing annual leave without “reasonable business grounds”, or enforcing blanket blackout periods with no flexibility - revisit what counts as “reasonable” in the annual leave Q&A.
• Overreaching on personal information or medical evidence - limit requests to what’s necessary and follow the approach in requesting medical certificates.
• Improper deductions or withholding pay to resolve disputes - check the strict limits in withholding pay before making any deduction.

A small adjustment to your contract wording, policies, or process often fixes these problems before they turn into claims.

Key Takeaways

• Your powers as an employer are limited by the NES, awards/agreements, and your own contracts and policies - you can’t go below those minimums.
• Common decisions (reducing hours, cancelling shifts, refusing leave, seeking medical evidence) are lawful only when you follow the right process and have clear business reasons.
• Strong paperwork makes lawful decisions easier: use a tailored Employment Contract backed by a clear Workplace Policy and fair procedures.
• Consultation, communication and documentation are critical - they reduce disputes and help defend your decision if challenged.
• If you’re unsure, pause and get advice before acting. A short check now can save a costly claim later.

If you’d like a consultation on making a lawful employer decision for your small business, you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.