Eligibility is based on how much the disability restricts an individual’s ability to perform basic activities of daily living, such as walking, speaking, hearing, seeing, feeding, dressing, or managing mental functions. https://www.letsrun.com/forum/flat_read.php?thread=13585601&t=1749984639#post-1 https://www.swiftdisability.ca/2025/03/25/navigating-the-disability-tax-credit-for-mental-health-conditions/