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    Neurodivergent Self-Employed

    ADHD, autism, dyslexia, and other neurodivergent profiles are eligible for the Disability Tax Credit on a functional basis when they markedly restrict mental functions necessary for everyday life — the CRA's test, not a diagnosis label. Late diagnoses can backdate refunds 10 years and unlock retroactive RDSP grants worth tens of thousands. Self-employment itself is often the most powerful accommodation — and many associated costs are deductible.

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    Guidance, not advice. We explain the rules, we don't assess your situation. Always seek financial or tax advice from your accountant, or contact CRA. Read our editorial scope →

    1. DTC for neurodivergent conditions — the functional test

    ITA s. 118.4(1)(c.1) defines "mental functions necessary for everyday life" as adaptive functioning, memory, and problem-solving/goal-setting/judgement. A diagnosis of ADHD, autism, or a learning disorder is not automatic eligibility — but where the impairment is marked(all-or-substantially-all of the time, takes inordinate time) the DTC applies. Many neurodivergent adults qualify and never apply.

    The 14-hour therapy alternative path
    If your marked restriction doesn't reach the threshold, the life-sustaining therapycriterion under ITA s. 118.3(1)(a.1) provides an alternative: 14+ hours/week on therapy essential to sustain a vital function. For neurodivergent adults this can include structured cognitive behavioural therapy, ABA, occupational therapy, and increasingly recognised supports such as ADHD coaching performed by qualified practitioners.

    2. Late diagnosis — retroactive everything

    Diagnosis often comes in adulthood. Once T2201 is certified, request adjustments to up to 10 prior tax years via T1-ADJ. Federal + provincial DTC values combined typically $1,500-$2,800/year — refunds of $15,000-$28,000 are common. RDSP grants and bonds can also be claimed retroactively for up to 10 years of missed entitlement.

    3. RDSP retroactive grants — the biggest single payoff

    After DTC approval, opening an RDSP within months of approval allows retroactive Canada Disability Savings Grant (matching 300%/200%/100%) and Bond ($1,000/year low income, no contribution required) for up to 10 prior years of eligibility. Practical example: a 35-year-old DTC-approved low-income earner can attract $10,000 CDSB + up to $15,000 CDSG simply by depositing modest amounts in year 1.

    4. Coaching, therapy, and assistive tech — medical vs business

    • Medical (METC): services from regulated health practitioners (psychiatrist, psychologist, occupational therapist, speech-language pathologist). Provincial scope governs which providers qualify (ITA s. 118.2(2)(a) cross-references provincial laws).
    • Business (T2125): a productivity coach, virtual assistant, bookkeeper, or executive-function support provider hired for your business is a deductible business expense — no medical certification required.
    • Assistive tech with dual use: noise-cancelling headphones for focus, time-tracking apps, task management software (Asana, Trello, Notion), AI writing assistants — generally fully deductible as business expense if used substantially for business. The same items may also support a METC claim if prescribed for medical reasons (cannot double-claim).

    5. Self-employment as accommodation

    Many neurodivergent Canadians choose self-employment specifically because traditional employment structures (fixed hours, open-plan offices, rigid task management) don't fit. The CRA accepts business structures designed around your working style. Common deductible accommodations include home office modifications, separate "deep work" workspace rental, scheduling software, and outsourced administration.

    6. Executive function + admin strategies

    • Automate bookkeeping with cloud accounting (Wave is free, QuickBooks/Xero paid — subscription deductible).
    • Hire a virtual bookkeeper or accountant for monthly reconciliation — fully deductible and removes the highest-friction task.
    • Use receipt-capture apps (Dext, Hubdoc) integrated with your accounting software.
    • Set up automatic GST/HST instalments and tax savings transfers.
    • File CRA tax instalments via pre-authorised debit to remove deadline anxiety.

    7. Variable income — averaging and instalment strategy

    Neurodivergent income often clusters around hyper-focus periods. Use the prior-year safe-harbour method for instalments (see Instalments Guide) to remove decision fatigue. RRSP deductions can be carried forward to higher-income years.

    8. The under-claiming problem

    A consistent pattern in the neurodivergent self-employed cohort is under-deducting legitimate expenses (imposter syndrome, fear of audit, "I should be able to do this myself"). The Income Tax Act allows any reasonable expense incurred to earn business income (s. 18(1)(a), s. 67). If it's reasonable, documented, and incurred for business — claim it.

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