Employee Reinstatement In NZ: Unfair Dismissal And Personal Grievances

Letting someone go is one of the toughest parts of running a business. Even when you genuinely think you’ve done the right thing (or you’re under pressure to make fast decisions), a termination can quickly turn into an unfair dismissal claim.

For small businesses, the risk isn’t just the cost of a dispute. It’s the time, stress, disruption to your team, and the possibility that a former employee could be reinstated into their role.

If you’re employing staff in New Zealand, it’s worth understanding how personal grievances work, what “unfair dismissal” looks like in practice, and when reinstatement can come into play. Getting the process right from day one is usually the best way to protect your business (and keep good workplace relationships intact).

What Does “Unfair Dismissal” Mean In New Zealand?

In New Zealand, “unfair dismissal” isn’t usually pleaded as a separate standalone label. Instead, it commonly arises as a personal grievance for unjustified dismissal under the Employment Relations Act 2000.

In simple terms, a dismissal is likely to be treated as unjustified if:

• you didn’t have a good reason to dismiss, or
• you didn’t follow a fair process (even if you had a valid concern), or
• both the reason and the process were flawed.

New Zealand employment law generally expects employers to act as a fair and reasonable employer would in the circumstances. That means your decision-making needs to be both substantively justified (the “what”) and procedurally fair (the “how”).

Common Scenarios That Trigger Unfair Dismissal Allegations

In our experience, personal grievances often arise when a business is moving quickly or dealing with a difficult situation with limited HR resources. Examples include:

• Instant dismissals without a proper investigation (often framed as “serious misconduct”).
• Performance issues handled informally, then suddenly escalated to termination.
• Restructures or reduced hours where the process wasn’t properly consulted on.
• Personality conflicts treated as “culture fit” issues rather than managed through a clear process.
• Medical issues or mental health concerns handled without considering reasonable support or alternatives.

One of the biggest misconceptions is thinking, “They weren’t performing, so it’s fine.” In NZ, even when the underlying issue is real, the process still matters a lot.

What Is A Personal Grievance (And Why It Matters For Employers)?

A personal grievance is the main legal pathway for an employee to raise an employment dispute in New Zealand. Unjustified dismissal (often referred to as unfair dismissal) is one of the most common types, but it’s not the only one.

Employees may raise a personal grievance for reasons including:

• Unjustified dismissal (the typical unfair dismissal scenario).
• Unjustified disadvantage (e.g. being demoted, disciplined, or treated unfairly).
• Discrimination or harassment.
• Duress in relation to union membership (less common for small businesses, but still relevant).

For business owners, the key point is that a personal grievance can lead to real remedies, including compensation and (in some cases) reinstatement.

Timing: How Soon Can A Grievance Be Raised?

There are strict timeframes in this area. Generally, an employee must raise a personal grievance within 90 days of the event (like the dismissal) or when they became aware of it.

Even when the 90 days has passed, there are situations where extensions can be sought, so it’s still worth treating any complaint seriously and getting advice early.

What Is Employee Reinstatement In NZ (And When Can It Happen)?

Reinstatement is when an employee is returned to their former job (or a similar job). Many employers assume that once someone is dismissed, the outcome of a dispute is only financial. But reinstatement is a real possibility in New Zealand.

Reinstatement can be ordered by the Employment Relations Authority (ERA) or the Employment Court where a dismissal is found to be unjustified and reinstatement is considered practicable and reasonable in the circumstances (and is sought).

Is Reinstatement Common?

Reinstatement isn’t ordered in every case, and it’s not always realistic (especially if trust has broken down, the role no longer exists, or the workplace is very small).

That said, it’s important not to dismiss the possibility. If an employee clearly wants their job back, and the decision-maker believes the working relationship can be restored, reinstatement can be on the table.

What Factors Affect Whether Reinstatement Might Be Ordered?

Every situation is fact-specific, but the decision-maker often looks at issues like:

• Whether the employee wants reinstatement (it’s rarely ordered if they don’t).
• The size and nature of your business (small teams can make reinstatement harder, but not impossible).
• Whether the role still exists and whether the business has genuinely restructured.
• The level of breakdown in trust and confidence (and what caused it).
• Workplace safety or wellbeing concerns for others.
• Whether you followed a fair process (a seriously flawed process can weigh in favour of stronger remedies).

From a risk perspective, the better your process and documentation are, the easier it is to defend the decision and reduce the chance of reinstatement being considered appropriate.

What Does A Fair Dismissal Process Look Like For A Small Business?

When you’re busy running a business, employment processes can feel like extra paperwork. But in an unfair dismissal situation, process is often the make-or-break issue.

A fair process usually includes:

• Clear communication about the concerns (performance, conduct, or another issue).
• Proper investigation (especially for misconduct allegations).
• A genuine opportunity to respond before any decision is made.
• Considering alternatives (training, warnings, support, redeployment, or other options depending on the circumstances).
• Documenting each step so you can show what happened and why.

Performance Management Vs Misconduct: Don’t Mix The Two

It’s surprisingly common for employers to treat a performance issue like misconduct (or vice versa). That can create legal risk, because the expected process can differ.

For example:

• Performance concerns usually involve coaching, clear expectations, time to improve, and formal warnings if needed.
• Misconduct issues often require investigation, evidence gathering, and a disciplinary meeting process.

If your underlying issue is “they’re not meeting targets,” a sudden “serious misconduct” termination because you’re frustrated is exactly the kind of scenario that can lead to an unjustified dismissal personal grievance.

Get The Foundations Right: Employment Agreements And Policies

A good process is much easier when your legal foundations are solid. At a minimum, you should have a properly drafted Employment Contract that reflects how your business actually operates.

You’ll also want to ensure your workplace expectations are clear and consistently applied. Many small businesses set this out in a handbook or policy suite (especially around conduct, social media, performance management, and investigations).

If you’re engaging people as contractors, be careful here too. Misclassifying someone can create disputes that look like “termination” issues, even when you thought it was a simple end to a contractor relationship. In higher-risk situations, a tailored Contractors Agreement can help clarify the relationship and reduce confusion.

If A Personal Grievance Is Raised, What Can The Employee Seek?

If an employee raises a personal grievance for unfair dismissal (unjustified dismissal), they may seek a range of remedies. While each case depends on the facts, common remedies include:

• Reinstatement (returning to their job or a similar role).
• Lost wages (often called “reimbursement”).
• Compensation for hurt and humiliation / loss of dignity (the non-financial impact).
• Recommendations or other orders (less common, but possible).

From a business point of view, this is why early advice can be so valuable. The best strategy may not always be “fight everything.” Sometimes it’s to manage the risk, preserve relationships, and reach a practical settlement that protects the business.

What About Settlement Agreements?

Many employment disputes are resolved through a settlement agreement. In NZ, parties often document settlement terms in a deed, but (to make the settlement full and final and generally prevent the matter being reopened) it’s common to have the settlement recorded through MBIE mediation and signed off as a Record of Settlement.

Where a dispute is settling, it’s important to document it properly, including confidentiality terms, non-disparagement, and what happens with references. A properly drafted Deed of Settlement can help you finalise the issue clearly and avoid it resurfacing later.

How Can You Reduce The Risk Of Reinstatement And Unfair Dismissal Claims?

You can’t eliminate employment risk entirely (people and workplaces are complex), but you can make your position much stronger with consistent, practical steps.

1. Treat Termination As A Process, Not An Event

A common small business trap is leaving performance or behaviour issues unmanaged for months, then trying to “fix it” with a quick termination.

Instead, aim to:

• raise issues early (calmly and clearly)
• keep written records (notes, emails, meeting summaries)
• set expectations and timelines
• follow your own policies consistently

2. Be Careful With Restructures And Role Changes

Redundancy and restructure decisions need a genuine business reason and a fair consultation process. If you’re changing roles, reducing hours, or removing responsibilities, it may be treated as a disadvantage (or dismissal) if not handled properly.

If you’re adjusting staffing needs, it’s often worth checking your approach against good consultation steps and ensuring the changes are lawful and defensible.

3. Keep Privacy And Surveillance Practices Clean

Workplace investigations often involve emails, CCTV footage, device checks, or complaint evidence. If your evidence was gathered in a way that feels intrusive or unfair, that can complicate a dispute.

If you use workplace monitoring tools, make sure your approach aligns with the Privacy Act 2020 and is communicated clearly to staff. Where relevant, having an up-to-date Privacy Policy and internal privacy procedures can make investigations smoother and reduce pushback about what information you can (and can’t) rely on.

4. Don’t DIY High-Stakes Terminations

When the stakes are high (senior staff, long-serving employees, medical issues, alleged serious misconduct, or a heated dispute), it’s usually cheaper in the long run to get advice before you act.

The right legal advice can help you:

• choose the correct process (performance vs misconduct vs restructure)
• prepare meeting letters and agendas
• avoid procedural missteps that increase compensation risk
• reduce the likelihood of reinstatement becoming a realistic remedy

5. Make Sure Your Team Leaders Know The Basics

If you have supervisors or team leads, they’re often the ones having the early performance conversations. If those conversations are mishandled (or inconsistent), it can undermine your later process.

Training your leaders on documentation, expectations, and fair meetings can prevent problems before they start.

Key Takeaways

• Unfair dismissal in NZ is usually handled as a personal grievance for unjustified dismissal, where both the reason and the process are closely examined.
• Reinstatement is a possible remedy, especially where returning the employee to their role is considered practicable and reasonable in the circumstances (and the employee seeks it).
• A fair process typically requires clear allegations or concerns, a proper investigation where relevant, a real chance to respond, and careful consideration before deciding to dismiss.
• Strong legal foundations like a tailored Employment Contract and clear policies make it much easier to manage performance and misconduct issues fairly.
• Employment disputes are often resolved by settlement, and documenting that properly (including, where appropriate, a mediated Record of Settlement or a Deed of Settlement) helps avoid repeat disputes.
• Getting advice early is one of the most practical ways to reduce the risk, cost, and disruption of an unfair dismissal claim (and the possibility of reinstatement).

If you’d like help managing an unfair dismissal risk, responding to a personal grievance, or tightening up your employment documents and processes, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.