Form T2201 (the Disability Tax Credit Certificate), and any other supporting documents, can be submitted electronically using the secure Submit Documents tool in the CRA My Account or Represent a Client portals.
This allows claimants, legal representatives, or representatives with Level 2 authorization to quickly upload and submit the T2201 (and any supporting documents) while obtaining receipt confirmation from the CRA.
To prepare and submit Form T2201, go to How to apply.