How to apply for the Canada Disability Benefit
Apply in the right order and the process is short. Apply out of order and it stalls — usually at the DTC step, which cannot be skipped. The sequence is: Disability Tax Credit first, tax return second, CDB application third.
Step 1 — Secure the DTC certificate
If you do not already hold a valid DTC certificate, have a qualified medical practitioner complete Form T2201 and submit it to the CRA. Wait for approval before relying on a CDB timeline; CRA processing takes time, and a CDB application made without a valid certificate cannot succeed. If you already hold a valid certificate, skip this step entirely.
Step 2 — File the tax returns
File your federal return for the previous tax year, and make sure your spouse or common-law partner files too, unless the non-resident exception applies. Your notice of assessment is the document the benefit calculation runs on: keep it, and keep your partner's. If either return is missing, the household calculation cannot be completed.
Step 3 — Apply through Service Canada
Apply online through your My Service Canada Account, by phone through the CDB line, or in person at a Service Canada Centre. You will need your Social Insurance Number, your mailing address, your status in Canada (citizen, permanent resident, protected person, or temporary resident — you need to know it, not prove it with documents at this step), and your direct deposit information if you want payment by deposit. Your net income from your notice of assessment is helpful but optional at application, because Service Canada can obtain the tax figures itself.
What happens after you apply
If your application is approved, your first payment arrives on the third Thursday of the month following approval, and it includes any back payments you are owed. Back payments reach up to 24 months from when Service Canada receives your application, but never for months before June 2025 — so every month of delay past that window is money that cannot be recovered later. If your application is refused, the decision letter states the reason and the deadline for asking for a reconsideration (see the changes and appeals page). Keep the letter: the 180-day reconsideration clock runs from its date, not from when you first read it.
Before you apply: the estimator
Service Canada publishes a CDB estimator on Canada.ca. Feed it the exact lines from your notice of assessment (yours and your partner's) for the most useful estimate, and treat the result as an estimate, not a promise — the estimator itself notes that its examples currently use the previous benefit year's basis. If the estimator says $0, check why before giving up: an expired DTC certificate, an unfiled return, or a mistyped line 23600 are all fixable causes of a $0 result that has nothing to do with your real entitlement.