Yes, she would be considered disabled if she has a serious and prolonged physical or mental impairment. Since she is restricted in walking comfortably because of her knees, according to CRA she would meet the criteria of Disabled:
Please Note: A person is considered to have a marked restriction in walking if, even with appropriate therapy, medication, and devices (for example cane, occupational therapy), they meet both of the following criteria:
- They are unable or take an inordinate amount of time to walk.
- This is the case all or substantially all of the time (at least 90% of the time).
In order to claim DTC, either the person with the disability, or a legal representative must fill out Part A of Form T2201. The part B of the form is required to be filled by A medical practitioner, depending on the type of impairment, a medical doctor, optometrist, audiologist, occupational therapist, psychologist, or speech-language pathologist can complete this section.
- Once your form is completed, you must upload it to your My CRA Account or mail it to your nearest tax center. Once approved, the CRA will send a notice identifying the years for which you can claim the DTC.
- If your application gets denied for whatever reason, gather additional information from qualified medical practitioners, and resubmit it to the CRA asking for a further review.
For further information in calculating your amount and other DTC criteria, please follow our TurboTax link: Your Guide to the Disability Tax Credit 2022
For more information please refer to CRA website: Eligibility criteria for the disability tax credit
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