Child Disability Benefit (CDB)

Generate a formal request letter for retroactive payment adjustment, sign electronically, and export a ready-to-submit request letter.

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Request Information

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Primary Caregiver Details

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Approved Child Details

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Required if child is 18+

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Digital Signature

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Live Preview 8.5" x 11" Standard Page
Date:{{ formattedDate }}
To:Canada Revenue Agency
Attn:CCB Entitlement Team

RETROACTIVE CDB REQUEST

Dear Sir or Madam,

I, {{ form.caregiverName || '[Caregiver Full Name]' }}, formally request a retroactive calculation for the Child Disability Benefit for my child, {{ form.childName || '[Child Full Name]' }}, who has been approved for the Disability Tax Credit. Please calculate and issue payment for the maximum allowable period.

I confirm that I have been the primary caregiver for {{ form.childName || '[Child Full Name]' }} for all or a portion of the Disability Tax Credit approval period, and that the information provided below is accurate to the best of my knowledge.

CAREGIVER DETAILS
Name:{{ form.caregiverName || '[Caregiver Name]' }}
SIN:{{ form.caregiverSin || '[Caregiver SIN]' }}
Address:{{ fullAddressDisplay }}
CHILD DETAILS
Child's Name:{{ form.childName || '[Child Name]' }}
Child's SIN:{{ form.childSin || 'N/A' }}
DTC Period:{{ form.dtcPeriod || '[DTC Period]' }}

Sincerely,

Signature {{ typedSignature }} [Digital Signature Will Appear Here]
{{ form.caregiverName || '[Caregiver Name]' }}

How to Submit Your Request Letter to CRA

Follow these step-by-step instructions to upload your letter through the CRA My Account portal for fast processing.

Online via CRA My Account Portal

  1. 1
    Log in to your CRA My Account online portal.
  2. 2
    Navigate to Submit Documents in the quick links menu.
  3. 3
    Select Canada child benefit (CCB), Canada Groceries and Essentials Benefit (CGEB) as the topic.
  4. 4
    Select Send documents or forms to support my Canada child benefit (CCB) and related programs.
  5. 5
    Select Additional Canada child benefit related requests and click Next.
  6. 6
    Upload your saved PDF letter and the Notice of Determination if the child is now over 18 years of age. For the description, enter Retroactive CDB Request.

Important Requirement for Applicants Approved at Age 18 or Older:

If your child was approved for the Disability Tax Credit (DTC) when they were 18 years of age or older, please ensure you also attach a copy of their official Notice of Determination (found in the "Mail" section of their CRA My Account).

What Happens After You Upload?

Timeline and follow-up guidance after submitting your retroactive CDB request.

The CRA's current service standard to calculate the CDB retroactive benefit is 8 weeks.

If you do not see your monthly retroactive amounts calculated on your CCB statement of account in the Benefits and Credit area of your CRA portal within 8 weeks of submitting your request letter, please contact the CRA Benefits area.

CRA Benefits Area: 1-800-387-1193

Simply advise them that it was requested 8 weeks prior and you would like it prioritized. Once the phone call is done you should see it calculated on your account within 5 business days.

Set an 8-Week Follow-up Reminder

Set a calendar notification for follow-up if you have not received confirmation or deposit after 8 weeks.

Child Disability Benefit (CDB) Overview

Understanding eligible amounts, retroactive limits, and calculation rules.

Calculate Your Potential Benefits

Estimate your potential retroactive payments and monthly benefits with ease using the official CDB calculator.

Open CDB Calculator

Key Facts About the CDB

  • Nontaxable Benefit: The Child Disability Benefit is a tax-free monthly payment made to families who care for a child under age 18 with a severe and prolonged impairment.
  • DTC Prerequisite: The child must first be approved for the Disability Tax Credit (Form T2201).
  • 10-Year Retroactive Limit: Under CRA rules, adjustments can be requested for up to 10 previous tax years.
  • Income-Tested: Amounts are calculated based on Adjusted Family Net Income (AFNI).

8-Week CRA Follow-Up Date

If you submit your documents today, your 8-week follow-up date with CRA is:

Target Follow-Up Date
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