The Disability Tax Credit Transfer is non-refundable, which means it can only be used to reduce taxes owing. Since the higher earning spouse is more likely to have taxes owning, it goes to that spouse by default.
Unfortunately, if you are using TurboTax Online, there is no way to change which spouse is getting the disability transfer from the dependant. You can do so in TurboTax CD/Download, but you may not be able to NETFILE the return if you do.
If the higher income spouse was not identified on the initial DTC application, they can submit a written request to the CRA for the transfer. This request must be signed and include details of the support they provide for the basic necessities of life.
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