Mental Health Days Off: Employer Policies, Pay And Legal Risks In Australia

More small businesses are seeing staff ask for a “mental health day off” - sometimes with plenty of notice, sometimes on the morning of a shift, and sometimes with little detail other than “I’m not coping today.”

If you’re an employer, this can raise a few immediate (and very reasonable) questions: Is this sick leave? Do we have to pay it? Can we ask for a certificate? What if we think it’s being misused? And how do we support the team without opening the door to legal risk?

The good news is that you don’t need to reinvent the wheel. In Australia, mental health is treated seriously under workplace laws, and many mental health day off situations can be managed within your usual leave, policy and performance processes - as long as you handle them carefully, consistently, and with the right documentation.

Below, we’ll walk you through the practical steps to manage mental health days from work, including policy options, evidence requirements, pay, confidentiality, and the legal risks that can arise when requests are refused or mishandled.

What Is A “Mental Health Day Off” In Practice?

A “mental health day off” isn’t a defined legal category of leave on its own. In most workplaces, it’s simply a plain-English way an employee describes taking time off due to mental or psychological reasons - for example, anxiety, depression, burnout, stress, panic attacks, or an acute mental health episode.

From an employer perspective, the key thing is this: when an employee is not fit for work, mental health can be a valid reason to take personal/carer’s leave (commonly called “sick leave”).

That means your approach shouldn’t be “Is a mental health day real leave?”, but rather:

• Is the employee unfit for work due to illness or injury (including psychological illness)?
• What type of leave is available to them (paid personal leave, annual leave, unpaid leave, etc.)?
• What evidence (if any) is required under the Fair Work Act, their award/enterprise agreement, and your policies?
• What workplace health and safety steps do we need to consider if there’s an ongoing risk?

Getting this framing right helps you stay supportive and consistent - and reduces the chances of a misunderstanding escalating into a complaint.

Why This Matters For Small Business Employers

In a small team, one person being away can have a real operational impact. But trying to “push through” mental health issues can also create bigger business risks - including safety issues, errors, conflict, absenteeism patterns, and workers compensation claims.

So, it’s worth having a clear approach that balances:

• legal compliance (Fair Work, discrimination, WHS),
• your operational needs, and
• a workplace culture where people can raise issues early.

Is A Mental Health Day Off Sick Leave Under Fair Work?

Often, yes. Under the National Employment Standards (NES), full-time and part-time employees generally accrue paid personal/carer’s leave. This leave can be used when they’re not fit for work because of personal illness or injury - and that can include mental health conditions.

Casual employees don’t get paid personal/carer’s leave under the NES (unless an enterprise agreement, contract or workplace policy provides it), but they can still access other leave entitlements in some circumstances (like unpaid carer’s leave and unpaid compassionate leave) and they’re still protected from adverse action and unlawful discrimination.

When It Will Usually Be Personal (Sick) Leave

A mental health day from work is commonly personal leave if the employee is taking the day because they’re genuinely unable to work due to mental health symptoms or distress.

In practice, this can look like:

• acute anxiety or panic symptoms,
• significant stress impacting ability to perform safely,
• burnout symptoms requiring rest,
• medication side effects, or
• attending a medical/psychology appointment (depending on circumstances and applicable instruments).

As a general rule, you don’t need the employee to give you a diagnosis. You do need enough information to administer leave correctly and address any work health and safety concerns.

When It Might Be Annual Leave (Instead Of Sick Leave)

Sometimes the employee isn’t saying they’re “unfit for work” due to illness, but rather they’re asking for time off to reset, manage stress, or prevent burnout.

In those cases, the employee might request annual leave instead. If you approve annual leave, you should pay it according to the usual rules and payroll processes (including any relevant leave loading). If you need a refresher on common pay issues, annual leave payments are a good place to start when checking what applies to your workplace.

Just be careful about automatically pushing employees toward annual leave when the reality is that they’re unwell - because that can create employee relations issues and, in some cases, legal risk if it looks like you’re discouraging the use of personal leave.

What About Unpaid Leave?

If the employee has no paid personal leave balance left, there isn’t a general NES entitlement to ongoing “unpaid personal leave” for their own illness. However, depending on the circumstances, options may include:

• accessing other entitlements (for example, unpaid carer’s leave where they are caring for an immediate family or household member),
• requesting annual leave (if available),
• agreeing to unpaid leave (if your business is willing to approve it), or
• considering other arrangements (like flexible work or adjusted duties) where appropriate.

The key is to apply your approach consistently and document decisions, so you’re not treating one person differently without a lawful reason.

How To Create A Clear Policy For Mental Health Days (Without Overcomplicating It)

You don’t need a separate “mental health day” leave category to manage this well. In fact, in many small businesses, the simplest approach is:

• treat mental health-related absences as personal leave where the employee is unfit for work, and
• support mental health proactively through culture, flexible work options (where possible), and clear processes.

Your goal is to make it easy for managers to respond appropriately without needing to make medical judgments.

What Your Policy Should Cover

A practical policy (or set of leave procedures) should address:

• How to notify: who the employee contacts, how early, and acceptable methods (call/text/email/HR system).
• What type of leave applies: personal leave vs annual leave vs unpaid leave.
• Evidence requirements: when you will ask for evidence and what you’ll accept.
• Privacy and confidentiality: who receives the information and how it’s stored.
• Return-to-work support: when check-ins happen, and when you may request medical clearance.
• Misuse and patterns: how you manage concerns fairly (without jumping to discipline too early).

If you have employees, it’s also a good idea to make sure the policy aligns with your employment documents (including your Employment Contract) so expectations are consistent across the business.

A Simple Script For Managers

One reason these requests become messy is that managers feel they need to “decide if it’s valid.” A better approach is to standardise a respectful response, such as:

• “Thanks for letting me know. Please take the day and focus on getting well.”
• “Is this personal leave today, or would you like to use annual leave?”
• “For payroll, can you confirm you’re not fit for work today?”
• “If we need evidence under our policy, I’ll let you know.”

This keeps the conversation supportive, short, and focused on process - not personal details.

Pay, Evidence And Privacy: The Practical Rules Employers Need To Get Right

This is where most legal and operational risk sits: whether the day is paid, what evidence you can request, and how you handle sensitive information.

Do You Have To Pay A Mental Health Day Off?

It depends on the leave type and the employee’s entitlements:

• Full-time/part-time employees: generally paid if it’s taken as personal leave and they have a remaining balance.
• Casual employees: generally unpaid (unless your business offers paid leave benefits above the minimum).
• Annual leave: paid if approved and the employee has a balance.
• Unpaid leave: not paid.

Make sure payroll is consistent with what was approved and recorded. Misclassifying leave (even unintentionally) can create wage underpayment issues.

Can You Ask For A Medical Certificate For A Mental Health Day?

In many cases, yes - but you should be thoughtful about when and how you ask.

Under the Fair Work Act, an employer can require an employee to provide evidence that would satisfy a reasonable person that they were unfit for work. Evidence can include a medical certificate or a statutory declaration.

It’s also common for awards, enterprise agreements, and workplace policies to specify when evidence is required (for example, absences of 2+ days, or where an absence falls adjacent to a weekend or public holiday).

However, “reasonable” is the key word. If a team member takes a single mental health day off after an especially stressful period, immediately demanding a certificate can undermine trust and may discourage early disclosure.

At the same time, if you’re seeing frequent patterns, repeated short absences, or operational impact, it can be reasonable to ask for evidence more consistently. Some workplaces also set clear expectations around sick days without a certificate, which can help you avoid ad hoc decision-making.

What Evidence Should You Accept?

Depending on what’s reasonable and what your policy says, you may accept:

• a medical certificate from a GP,
• a certificate from another treating health practitioner (where appropriate),
• a statutory declaration, or
• other forms of evidence that satisfy a reasonable person (this can be risky if not handled consistently).

You generally don’t need to know “what the condition is.” You need confirmation the employee was not fit for work (and potentially any functional limitations if you’re managing ongoing risk).

Privacy: How Much Can You Ask (And Who Can Know)?

Mental health information is sensitive. Even in a small business, you should keep details on a need-to-know basis.

As a practical baseline:

• Managers should avoid asking for diagnoses or detailed medical history.
• HR/payroll should only collect what’s needed to administer leave and safety obligations.
• Medical certificates and notes should be stored securely, with limited access.

This isn’t just about being respectful - poor handling of sensitive information can lead to complaints, team conflict, and reputational damage.

Can You Require Medical Clearance To Return To Work?

Sometimes, yes. If there are genuine safety concerns - for example, the employee’s role involves high-risk tasks, client safety, or operating vehicles - it may be reasonable to request medical clearance confirming they’re fit to return, or outlining any restrictions.

The key is to focus on capacity and risk, not curiosity. If you’re unsure when this is appropriate, the rules around medical clearance to return to work are a helpful reference point when setting internal processes.

When Can You Refuse A Mental Health Day Off (And What Are The Risks)?

One of the trickiest employer questions is: “Can we say no?”

Sometimes you can refuse a specific leave request (for example, if an employee requests annual leave during a peak period), but refusing an absence where the employee is unwell can create significant risk - particularly if you take disciplinary action or terminate employment.

Personal Leave: Be Careful About “Refusing”

If an employee is genuinely unfit for work, it’s generally not something you “approve” like annual leave - it’s an entitlement they can take, provided they meet notice and evidence requirements.

Where issues arise is when:

• the employee doesn’t follow notice requirements,
• the employee doesn’t provide required evidence, or
• you have a reasonable basis to believe the leave is not genuinely for illness/injury.

Even then, you should manage it as a process issue first (request evidence, clarify expectations, document conversations) rather than jumping straight to discipline.

Annual Leave: You Can Refuse In Some Situations

Annual leave generally needs to be approved. You can refuse a request if the refusal is reasonable (for example, operational needs), but you should still act fairly and communicate clearly.

Many small businesses also run into issues where leave is refused repeatedly, which can affect morale and increase burnout risk - sometimes leading to more mental health days from work taken as sick leave instead.

General Protections, Discrimination And Adverse Action Risk

Mental health conditions may be considered a disability under discrimination laws. Employees are also protected from adverse action (such as disciplinary action or dismissal) because they exercised a workplace right, including taking personal leave.

This is why it’s so important to:

• respond consistently,
• document your reasons, and
• separate performance management from leave management.

If you’re concerned about an employee’s mental health impacting work, focus on practical adjustments and safety first. Your obligations around employee mental health are not just a “nice to have” - they’re increasingly part of expected employer practice in Australia.

Work Health And Safety (WHS): Don’t Ignore Psychosocial Risk

From a WHS perspective, stress and psychological hazards can be workplace risks. That doesn’t mean every mental health day off is automatically a WHS incident - but it does mean you should pay attention to patterns and root causes.

For example, if multiple staff are requesting mental health days at work in the same team, it may be a sign of:

• unreasonable workload,
• bullying or conflict,
• poor change management,
• lack of role clarity, or
• insufficient breaks or recovery time.

Proactively addressing these issues can reduce both absenteeism and legal risk.

How To Handle Patterns, Suspected Misuse And Performance Issues

It’s a reality for many employers: sometimes “mental day off” requests are genuine, and sometimes you suspect they’re being used to avoid certain shifts or performance conversations.

The safest way to deal with this is to avoid debating the employee’s mental health and instead manage the observable workplace issue.

Step 1: Track Absences And Apply Your Evidence Rules Consistently

If you suspect misuse, start with consistent administration:

• record absences accurately,
• apply your evidence requirements the same way across the team, and
• avoid informal “special deals” that can look like favouritism later.

Consistency is one of your strongest protections if a matter escalates.

Step 2: Have A Supportive Check-In (Not An Interrogation)

Where absences are frequent, a check-in can be appropriate. Keep it focused and respectful:

• Ask whether there’s anything at work contributing to the absences.
• Ask whether they need any temporary adjustments.
• Confirm the notice and evidence process going forward.

What you’re doing here is offering support while also setting expectations.

Step 3: Separate Leave Issues From Performance Management

If there are performance concerns, deal with those through your usual performance process - based on work output, conduct, or KPIs - not based on the fact the person took leave.

Where employers get into trouble is when discipline appears linked to taking a mental health day off rather than genuine performance issues.

If you’re considering warnings or termination in a context where mental health and absences are involved, it’s worth getting advice early so you can follow a fair process and reduce risk.

Step 4: Update Your Documents And Training

Often, the fastest way to reduce confusion is to update your core documents and ensure managers understand how to apply them.

Depending on your business, that could include:

• an updated Employment Contract (setting expectations around notice and evidence),
• a leave and wellbeing policy (setting a clear process), and
• manager training on respectful communication and documentation.

This kind of structure can make mental health day from work situations far easier to manage - for your team and your managers.

Key Takeaways

• A “mental health day off” isn’t a separate leave category, but it will often be managed as personal (sick) leave if the employee is unfit for work due to mental health reasons.
• Whether the day is paid depends on the employee’s leave entitlements (full-time/part-time vs casual, and available balances).
• You can usually request reasonable evidence (like a medical certificate or statutory declaration), but it’s important to apply evidence rules consistently and avoid overly intrusive requests.
• Keep mental health information confidential and focus conversations on work capacity, safety, and leave processes rather than diagnoses.
• Refusing leave or disciplining an employee in this context can raise adverse action, discrimination, and WHS risks - careful documentation and a fair process matter.
• A clear policy and aligned employment documents help managers respond consistently and reduce legal risk when mental health days arise.

This article is general information only and does not constitute legal advice. For advice about your specific situation, get in touch with a lawyer.

If you’d like help putting the right policies and employment documents in place (or managing a tricky mental health day off scenario), you can reach us at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.