Modified Duty Letters | Workplace Accommodation

A modified duty letter tells your employer what you can and can't do while recovering. Here's how to get one that protects your health while keeping you employed.

Modified Duty Letters: What You Need to Know

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Your sick note is signed by a licensed Canadian physician registered with the provincial College of Physicians and Surgeons. This is the same credential as any doctor you would see in-person at a walk-in clinic or hospital.

A modified duty letter (also called a "light duty letter" or "functional limitations letter") is New sick-note requests are temporarily paused while we review our service. We are not accepting new orders at this time. that outlines what work you CAN do while recovering from an illness or injury. It is the bridge between being completely off work and returning to full duties. When you are recovering from an illness or injury, having proper documentation is absolutely essential to protect your job and ensure you are not forced into tasks that could worsen your condition. Without a modified duty letter, your employer might expect you to perform your regular duties, which could lead to further injury or complications. Getting a sick note protects you and provides clear guidelines for your employer. In Canada, workplace injuries and illnesses account for millions of lost workdays each year. Having the right documentation ensures you are part of a safe and structured return to work process.

When You Need a Modified Duty Letter

There are many situations where a modified duty letter is necessary to protect your health and your job. Whether you are dealing with a physical injury or a mental health challenge, having a clear outline of your capabilities is crucial. Here are some common scenarios where a modified duty letter is essential:

Recovering from surgery but able to do desk work. For example, if you had knee surgery, you might not be able to stand for long periods, but you can still perform administrative tasks at a desk. This keeps you engaged with your work while allowing your body to heal properly.

Back injury that prevents lifting but not sitting. Back injuries are incredibly common in the workplace, accounting for a significant portion of workers compensation claims in provinces like Ontario and Alberta. A modified duty letter can ensure you are not asked to lift heavy objects while you heal, preventing chronic issues.

Broken arm or wrist that limits certain tasks. If you have a cast on your arm, you might not be able to type or perform manual labor, but you could still attend meetings, review documents, or do other tasks that do not require the use of both hands.

Post-concussion with screen time restrictions. Concussions require careful management, and limiting screen time is often a crucial part of recovery. A letter can specify exactly how many hours of screen time you can handle, protecting your brain as it heals.

Mental health recovery with reduced hours. Mental health is just as important as physical health. According to the Centre for Addiction and Mental Health, mental illness is a leading cause of disability in Canada. A modified duty letter can help you ease back into work with reduced hours or a less stressful environment, reducing the risk of burnout or relapse.

Pregnancy-related limitations. Pregnancy can bring about various physical challenges, from severe morning sickness to mobility issues in the third trimester. A modified duty letter can ensure you are not exposed to hazardous conditions or required to perform strenuous tasks, protecting both you and your baby.

Chronic condition flare-up affecting specific activities. If you have a chronic condition like arthritis, asthma, or multiple sclerosis, a flare-up might temporarily limit your abilities. A modified duty letter can provide the necessary accommodations during these difficult periods.

What a Good Modified Duty Letter Includes

A well-written modified duty letter should be clear, specific, and actionable. It should provide your employer with the information they need to accommodate your restrictions without disclosing unnecessary medical details. Vague letters often lead to misunderstandings and inadequate accommodations.

| Element | Example | Purpose |
|---|---|---|
| What you CAN do | "Can perform desk work, attend meetings, use computer" | Helps employer assign appropriate tasks |
| What you CANNOT do | "No lifting over 5 kg, no standing over 30 min" | Sets clear boundaries |
| Duration | "For 4 weeks, reassess on [date]" | Gives employer planning timeline |
| Specific parameters | "Maximum 6 hours/day for first 2 weeks" | Quantifiable restrictions |
| Review date | "Follow-up assessment on [date]" | Ensures ongoing monitoring |

What It Should NOT Include

While a modified duty letter needs to be specific about your limitations, it should protect your privacy. Your medical information is confidential, and your employer only needs to know how your condition affects your ability to work. It should NOT include:

Your specific diagnosis. Your employer does not need to know the exact medical condition you have, only how it affects your ability to work. Whether you have a herniated disc or a sprained muscle, the focus should be on the lifting restriction.

Details about your treatment. The specifics of your medical treatment, such as surgeries, therapies, or counseling sessions, are private and should not be included in the letter.

Medications you are taking. Information about your medications is confidential and irrelevant to your employer's need to accommodate your restrictions, unless a medication specifically impairs your ability to perform a task safely, like operating heavy machinery.

Prognosis beyond the review date. The letter should focus on your current limitations and the immediate future, not long-term predictions about your health. Recovery timelines can change, and it is best to reassess at the specified review date.

Personal medical history. Your past medical history is private and should not be shared with your employer unless it is directly relevant to your current need for accommodation.

Your Employer's Legal Obligations

Under Canadian human rights law, your employer has specific legal obligations when presented with a modified duty letter. The duty to accommodate is a fundamental principle in Canadian workplaces. They MUST:

1. Accept the letter from any licensed physician. They cannot refuse a valid medical document from a qualified professional, nor can they insist you see a company doctor instead.
2. Attempt to accommodate your restrictions. They must make a genuine effort to find work that fits within your limitations. This might involve modifying your current role or finding a temporary alternative position.
3. Provide modified work if reasonably available. If there are tasks you can perform, they should assign them to you. This is often referred to as "meaningful work."
4. Not penalize you for working modified duties. You should not face any negative consequences, such as demotion, loss of benefits, or harassment, for needing accommodations.
5. Maintain your pay at your regular rate (in most cases). While there are exceptions depending on the province and the specific circumstances, your pay should generally remain the same while you are on modified duties.
6. Keep your information confidential, only HR and your direct supervisor need to know. Your medical information should be kept private and only shared with those who need to know to facilitate your accommodations.

The limit: Accommodation to the point of "undue hardship." For most employers, providing modified duties is not undue hardship. They must demonstrate that accommodating you would cause significant difficulty or expense, which is a high bar to meet, especially for larger organizations.

Common Modified Duty Arrangements

Protect Your Job Today

Do not wait until it is too late to get the documentation you need. A modified duty letter is essential for protecting your job, ensuring you are not forced into tasks that could worsen your condition, and providing clear guidelines for your employer. Without it, you risk further injury, disciplinary action, or even losing your job. Protect yourself and your livelihood by getting a professional, legally sound modified duty letter today. Every day you work without proper documentation is a risk to your health and your career.

New sick-note requests are temporarily paused while we review our service. We are not accepting new orders at this time.