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Disability Tax Credit Canada 2026 | Eligibility and How to Apply

Updated

The Disability Tax Credit is one of Canada’s most valuable — and most underused — tax benefits. Worth $2,000-$3,500+ in direct tax savings per year, it also unlocks the Registered Disability Savings Plan (which offers up to $3,500/year in government grants) and boosts the Canada Workers Benefit. Yet many Canadians who qualify never apply, often because they assume their condition isn’t “severe enough.” If a physical or mental impairment markedly restricts your daily activities or requires life-sustaining therapy, it’s worth completing Form T2201 — and if approved, you can claim retroactively for up to 10 years of missed credits.

Disability Tax Credit Overview

What is the DTC?

Feature Details
Type Non-refundable tax credit
Purpose Recognize disability expenses
Eligibility Medical certification required
Transferable To supporting family member

Why It Matters

Benefit Value
Direct tax savings $2,000-$3,500+
RDSP access Opens Registered Disability Savings Plan
CWB supplement Additional Canada Workers Benefit
Child tax credit Extra amounts

DTC Amounts 2026

Federal Credit

Category Credit Amount Tax Savings (15%)
Base amount ~$9,872 ~$1,481
Under 18 supplement ~$5,758 ~$864
Total if under 18 ~$15,630 ~$2,345

Provincial Addition

Province Approximate Additional
Ontario ~$900
BC ~$900
Alberta ~$1,600
Quebec ~$700

Total Value Example

In Ontario Amount
Federal savings ~$1,481
Ontario savings ~$900
Total ~$2,381

Eligibility Criteria

Basic Requirements

Requirement Details
Severe More than minor
Prolonged 12+ months expected
Marked restriction In daily activities
Or Life-sustaining therapy

Qualifying Impairments

Category Examples
Vision Legally blind
Hearing Profoundly deaf
Walking Cannot walk 100m
Mental functions Cognitive impairment
Feeding/Dressing Requires help
Eliminating Requires help
Speaking Unable to communicate
Life-sustaining therapy Dialysis, insulin therapy

Mental Functions

May Qualify Details
Memory Severe impairment
Problem solving Unable to perform
Goal setting Marked restriction
Judgement Significantly affected
Adaptive functioning Daily life impact

What “Markedly Restricted” Means

Definition

Feature Details
All or most of time 90%+ of year
Takes 3x longer Than normal
Or cannot do Without assistance
Compared to Someone same age, no impairment

Examples

Activity Markedly Restricted If
Walking Can’t walk 100m on flat ground
Dressing Takes extensive time, needs help
Feeding Cannot prepare basic meal
Mental functions Cannot manage personal affairs

Cumulative Effects

New Option

Feature Details
Multiple impairments Combined effect
Each not severe enough But together qualify
Needs certification Same form

How to Apply

Step-by-Step Process

Step Action
1 Get Form T2201
2 Complete Part A (your info)
3 Medical practitioner completes Part B
4 Submit to CRA
5 Wait for determination

Form T2201

Section Who Completes
Part A Applicant or legal rep
Part B Medical practitioner

Medical Practitioners Who Can Certify

Impairment Type Certified By
Vision Optometrist or MD
Hearing Audiologist or MD
Walking MD, physio, OT
Mental functions MD or psychologist
All impairments Medical doctor

After You Apply

CRA Review

Timeline Expectation
Processing 8+ weeks typically
May request info More details
Decision letter Approved or denied

If Approved

Action Benefit
Claim current year On tax return
Request reassessment For previous years
Back up to 10 years Refunds possible

If Denied

Option Details
Request review With CRA
Provide more info Medical documentation
Object formally If still denied

Claiming the DTC

On Your Tax Return

Line Details
Line 31600 Basic disability amount
Line 31800 Supplement for under 18
Schedule 1 Calculate federal credit

Transferring to Family

If You Can Transfer
Don’t need full credit To supporting person
Spouse Supporting you
Parent If dependent
Other relative If dependent

RDSP Access

Registered Disability Savings Plan

Opened With DTC Benefits
Grants Up to $3,500/year
Bonds Up to $1,000/year
Tax-deferred Growth
Lifetime limit $200,000 contributions

Grant Matching

Family Income Matching Rate
Under $111,733 Up to 300% on first $500
Any income 100% on next $1,000

CWB Disability Supplement

Additional Benefit

If DTC Approved Receive
CWB disability supplement ~$784 extra
If working And low income

Children and DTC

Under 18 Benefits

Benefit Amount
Supplement credit ~$5,758 additional
Child Disability Benefit ~$3,322/year
Through CCB Monthly payments

Child Disability Benefit

Feature Details
Paid with CCB Monthly
Maximum ~$277/month
Income-tested May be reduced

Common Conditions

Often Qualify

Condition Typical Category
Autism spectrum Mental functions
Type 1 diabetes Life-sustaining therapy
MS Walking, dressing
Cerebral palsy Multiple
Blindness Vision
Deafness Hearing
Severe arthritis Walking, dressing
Crohn’s/colitis Eliminating

Sometimes Qualify

Condition Depends On
Depression Severity
ADHD Impact on functions
Fibromyalgia Restrictions
Chronic pain Daily activity impact

The Bottom Line

Don’t leave thousands of dollars on the table. If you or a family member has a severe, prolonged impairment — including mental health conditions — apply for the DTC using Form T2201 with the right medical practitioner. Approval unlocks not just annual tax savings of $2,000-$3,500+ but also RDSP grants, the CWB supplement, and the Child Disability Benefit. If your first application is denied, appeal with additional documentation — many successful claimants were initially rejected.

Tips for Approval

Documentation

Do Don’t
Be detailed about restrictions Minimize difficulties
Include all limitations Forget mental health
Get appropriate practitioner Use wrong specialist
Appeal if denied Give up too easily

Working with Your Doctor

Tip Details
Explain daily struggles Concrete examples
Describe worst days Not best days
Bring activity logs If helpful
Ask them to be thorough On form

Retroactive claims

How retroactive claims work

Once approved, you can claim the DTC for previous years when you were eligible.

Element Details
Maximum lookback 10 years
Request method T1-ADJ (T1 Adjustment Request) or through CRA My Account
Automatic adjustment CRA may adjust prior years automatically upon approval
Requirement The disability must have existed in those tax years
Filed returns Can file late returns if needed
No taxable income Transfer credit to a supporting family member instead

Retroactive refund potential

Scenario Approximate refund
Adult, 5 years back $7,000–$10,000
Adult, 10 years back $12,000–$20,000
Child (under 18), 10 years back $20,000–$30,000+

Actual amounts depend on taxable income, province, and years of eligibility.

If your application is denied

Common reasons for denial

Reason Solution
Incomplete form Resubmit with complete information
Not markedly restricted (per CRA) Provide more detail on severity of daily limitations
Wrong practitioner type Use an authorized practitioner for your impairment category
Condition not shown as prolonged Provide 12+ month medical history

Request for reconsideration

  1. Write to CRA within 90 days of the denial letter
  2. Include new information or clarification from your medical practitioner
  3. Ask your doctor to provide a supporting letter describing daily functional limitations
  4. Specify why the original decision was incorrect

Notice of Objection

Step Action
File within 90 days Of the denial or reconsideration decision
Include reasons Why you disagree, with supporting evidence
New medical documentation Additional reports or specialist assessments
Wait for review 6–12 months typical

As a last resort, you can appeal to the Tax Court of Canada. Many initial denials are overturned on review — do not give up after the first rejection.

Transferring the DTC

Who can receive the transfer

Relationship Eligible
Spouse or common-law partner Yes
Parent or grandparent Yes
Child (adult or minor) Yes
Sibling Yes
Aunt, uncle, niece, nephew Yes
In-laws Yes (with dependency)

Transfer rules

Situation Transfer allowed
Person with disability has no tax owing Full transfer
Person has some tax owing Partial transfer (unused portion)
Person uses entire credit themselves No transfer available

How to transfer

  1. Complete the transfer section on Form T2201
  2. The supporting person claims the credit on their tax return
  3. Report on Schedule 1 (Line 31800 or Line 32600)

Claiming medical expenses alongside the DTC

The DTC and the Medical Expense Tax Credit (METC) are separate credits — you can claim both. For current amount thresholds, see maximum disability tax credit Canada.

Expense Claimable alongside DTC
Therapy and treatments Yes
Medications Yes
Assistive devices Yes
Home modifications Yes (via Home Accessibility Tax Credit)
Travel for medical care Yes
Attendant care Choose one: attendant care OR DTC (usually DTC is more valuable)