What You Need to Know About Post-104 Income Replacement Benefit Disputes

By Roger Foisy
on March 10, 2026

When a person is injured in a motor vehicle accident, income replacement benefits can provide essential financial support if the injuries prevent them from working. These benefits often become the subject of dispute after the 104-week mark, when Ontario’s accident benefits rules apply a much stricter legal test. At that stage, insurers may stop or deny benefits by arguing that the injured person is capable of performing some form of work, even if they cannot return to their previous job.

Understanding post-104 income replacement benefit disputes is important for anyone whose benefits have been reduced or terminated after two years. These cases often involve complex medical, vocational, and legal issues, particularly where ongoing symptoms such as chronic pain, psychological injury, cognitive impairment, or fatigue affect a person’s ability to maintain reliable employment.

What are post-104 income replacement benefits?

In Ontario, income replacement benefits are weekly payments available to people who cannot work because of injuries sustained in a motor vehicle accident. These benefits are part of the Statutory Accident Benefits Schedule and are intended to help replace a portion of a person’s lost income while they recover.

The rules governing these benefits change significantly after 104 weeks, which is approximately two years after the accident. During the first 104 weeks, the test focuses on whether the injured person has a substantial inability to perform the essential tasks of their pre-accident job. This means the question is whether they can return to the specific work they were doing before the collision.

After the 104-week mark, the legal standard becomes much stricter. The issue is no longer limited to the person’s former job. Instead, the insurer may argue that the injured person is capable of performing any employment or self-employment for which they are reasonably suited by education, training, or experience.

What are post-104 income replacement benefit disputes?

Because the post-104 legal test in Ontario is more demanding, many people experience their income replacement benefits being reduced, terminated, or denied after the two-year point. When the injured person disagrees with the insurer’s decision, the disagreement can lead to what is commonly known as a post-104 income replacement benefit dispute, which may ultimately be decided by the Licence Appeal Tribunal.

These disputes are important because they often arise when an injured person continues to struggle with chronic pain, psychological symptoms, cognitive problems, fatigue, dizziness, or other ongoing impairments long after the collision. Even though the person may still look functional from the outside, they may no longer be able to reliably perform any employment for which they are reasonably suited by their education, training, or experience.

What changes after 104 weeks?

In the first 104 weeks after an accident, the question is usually whether the injured person has a substantial inability to perform the essential tasks of their pre-accident employment.

After 104 weeks, the test changes. The issue is no longer just whether the person can return to the same job. Instead, the question becomes whether the person suffers a complete inability to engage in any employment or self-employment for which they are reasonably suited by education, training, or experience.

This is a significantly stricter test. Insurers often argue that even if a person cannot return to their former work, they can still perform some other lighter, sedentary, part-time, or modified role. That is where many disputes arise.

What does “reasonably suited” mean?

The Tribunal does not look at jobs in the abstract. It looks at the injured person’s real-world background. That usually includes:

  • education
  • work history
  • transferable skills
  • language ability
  • computer ability
  • physical and cognitive limitations
  • psychological functioning
  • whether suggested jobs are realistic, not merely theoretical

A person is not automatically disentitled just because an insurer says there must be “some job” they can do. The question is whether they are employable in a meaningful way, having regard to their impairments and their true education, training, and experience.

Why are post-104 IRB claims often denied?

Insurers commonly deny or stop post-104 income replacement benefits after relying on insurer examinations, functional assessments, paper reviews, or vocational opinions. In many cases, the insurer takes the position that the person can do sedentary work, modified work, or some form of alternative employment.

These cases often turn on the evidence. An insurer may take the position that an injured person is capable of lighter, sedentary, or alternative work, even if they cannot return to their former job. The dispute is usually about whether that kind of work is truly realistic in light of the person’s ongoing symptoms, functional limitations, and actual education, training, and employment background.

What evidence helps in a post-104 IRB dispute?

Strong post-104 claims are usually built through a combination of medical, functional, and vocational evidence. Depending on the case, helpful evidence may include:

Medical Evidence

This can include reports from family doctors, psychiatrists, psychologists, chronic pain specialists, neurologists, physiatrists, occupational therapists, and other treatment providers. The most persuasive evidence usually explains not just diagnosis but also function: what the person can and cannot do consistently in a real work setting.

Vocational Evidence

Vocational reports can be important, but only if they are grounded in reality. An opinion is less persuasive where it assumes skills the person does not actually have, suggests jobs that are not realistically available, or ignores pain, fatigue, concentration problems, driving anxiety, or psychological impairment.

Evidence of Failed Work Attempts

A person may try to return to work, retrain, volunteer, or attempt self-employment after the accident. That does not necessarily mean they are capable of sustained employment. In some cases, those attempts actually support entitlement because they show the person tried but could not maintain the work.

Credibility and Consistency

The insured’s own testimony often matters greatly. Where the person provides clear, consistent evidence of their symptoms, limitations, work history, and attempts to cope or return to work, it can be persuasive. Conversely, where an insurer’s position is based on mistaken assumptions about the person’s job or abilities, that can weaken the denial.

How the LAT decides these cases

If the insurer and the injured person do not agree, the dispute may proceed before the Licence Appeal Tribunal (LAT). The Tribunal hears evidence from the parties, considers the medical and vocational records, and decides whether the insured (referred to as an applicant in a LAT dispute) has proven entitlement on a balance of probabilities.

Success in post-104 IRB disputes often depends on whether the adjudicator accepts that the applicant’s impairments have a real impact on employability, not just on whether the applicant has a diagnosis. The Tribunal may also closely examine whether the insurer’s experts properly understood the applicant’s employment background, transferable skills, and day-to-day functional limitations.

Common issues in post-104 IRB cases

Some recurring issues include:

  • chronic pain that interferes with reliability and stamina
  • depression, anxiety, trauma symptoms, or driving phobia
  • cognitive problems such as concentration, memory, or processing issues
  • whether suggested sedentary work is actually realistic
  • whether a person’s education or work history truly qualifies them for alternative employment
  • whether surveillance or isolated activities really prove work capacity
  • whether part-time efforts or brief work attempts show capacity, or instead show failed rehabilitation

Why legal representation matters

Post-104 IRB disputes are often evidence-heavy and highly contested. Insurers may rely on multiple expert reports and argue that the applicant can work in some alternative role. A lawyer experienced in accident benefits litigation can help gather the appropriate medical and vocational evidence, test the insurer’s assumptions, and present the insurer’s employment history and functional limitations accurately before the Tribunal.

If your income replacement benefits have been denied or terminated after the 104-week mark, it is important to get legal advice as soon as possible. These cases are often won or lost on how the evidence is organized and presented.

If you or someone you love is facing a dispute over post-104 income replacement benefits, we encourage you to contact us for a free consultation.

How Foisy & Associates Can Help

At Foisy & Associates, we understand the emotional and financial challenges you face after losing a loved one in a fatal accident. Our team is committed to providing the compassionate, expert legal support you need to navigate this difficult time. We offer a delicate yet committed approach to ensuring you receive the compensation you deserve. Our experience in Ontario fatality law allows us to guide you through the legal process with respect and empathy, so you can focus on healing while we handle the complexities of your case.

If we have not addressed your question here, please visit our FAQ page for more details. Additionally, if you have lost a loved one in a motor vehicle accident and need support in making a claim against the at-fault party’s insurance company, please contact us for a free consultation. Our team at Foisy & Associates is ready to provide you with the guidance and legal expertise you need to secure the compensation you and your family deserve.