Incapacitated Child Tax Credit 2026 — €3,300/year off your income tax bill for parents of permanently incapacitated children
Incapacitated Child Tax Credit Ireland 2026
If you have a child who is permanently incapacitated and unable to support themselves, you can claim a €3,300 income tax credit each year. This credit reduces your tax bill directly — on top of all other credits you already receive. Claimed through Revenue myAccount with a doctor's certificate. Many parents who qualify have never claimed it.
Incapacitated Child Tax Credit — At a glance
- Credit value
- €3,300/year per qualifying child
- Tax type reduced
- Income tax only (not PRSI or USC)
- Key condition
- Permanent incapacity before or from before age 21
- Medical evidence
- Form CC1 — signed by GP or specialist
- Where to claim
- Revenue myAccount — one-time submission
- Refundable?
- No — reduces tax to zero, not below
Who qualifies — the three conditions
To claim the Incapacitated Child Tax Credit, all three conditions must be met:
- Permanent incapacity: The child is permanently incapacitated physically or mentally — not temporarily ill or recovering from an injury.
- Incapacity began before age 21: The incapacity must have originated before the child's 21st birthday. If the child became incapacitated after 21, the credit does not apply unless it is a continuation of a condition that began before that age.
- Unable to maintain themselves: The incapacity prevents the child from earning a living and supporting themselves financially. The child does not need to be living with you — but you must be contributing to their support.
Qualifying conditions — examples
| Type of incapacity | Qualifies? | Notes |
|---|---|---|
| Down's syndrome | Yes | Permanent condition from birth — typically qualifies |
| Cerebral palsy | Yes | Permanent physical incapacity from birth/early childhood |
| Autism spectrum disorder (severe) | Depends | Qualifies if the child is unable to support themselves; ASD alone does not automatically qualify — the impact on ability to self-support is assessed |
| Severe intellectual disability | Yes | Typically qualifies if the person cannot maintain employment |
| Spina bifida | Yes | Permanent physical condition originating before birth |
| Acquired brain injury (before 21) | Yes | If the injury occurred before 21 and causes permanent incapacity |
| Chronic illness (e.g., severe epilepsy) | Depends | Qualifies if the condition is permanent and prevents self-support; not all chronic illness qualifies — severity and permanence assessed |
| Temporary illness or injury | No | Must be permanent — expected recovery disqualifies |
How much tax you save — worked examples
Effect of €3,300 Incapacitated Child Tax Credit on income tax bill (2026)
| Annual income | Income tax before this credit | Incapacitated Child Credit | Remaining income tax |
|---|---|---|---|
| €30,000 | €2,125 (after standard credits) | −€2,125 (capped at bill) | €0 |
| €45,000 | €5,125 (after standard credits) | −€3,300 | €1,825 |
| €60,000 | €10,625 (after standard credits) | −€3,300 | €7,325 |
| €80,000 | €19,125 (after standard credits) | −€3,300 | €15,825 |
Income tax calculations above assume single PAYE worker with Personal Credit (€1,875) and Employee Credit (€2,000) already applied. PRSI and USC are separate and not reduced by this credit.
Can you back-claim for previous years?
Yes. You can claim the Incapacitated Child Tax Credit for up to four prior tax years if you were eligible but did not claim. For example, in 2026 you can claim back to 2022. Back-claims are made through Revenue's myAccount under the "Claim Tax Credits" section. Revenue will issue a tax refund for any overpaid income tax in the prior years.
A family who qualified but never claimed could receive a refund of up to €3,300 × 4 = €13,200 for four years of unclaimed credits (subject to having paid sufficient income tax in those years).
Other tax reliefs that also apply
The Incapacitated Child Tax Credit stacks with several other reliefs for families in similar situations:
- Domiciliary Care Allowance (DCA): €364.50/month DSP payment for children with severe disability requiring extra care at home
- Medical Expenses Tax Relief: 20% relief on qualifying out-of-pocket medical and therapy costs for the child
- Carer's Allowance / Carer's Benefit: if you reduce work hours to care for the child
- Nursing Home Tax Relief: if the child enters residential care
Frequently asked questions
Does the child need to still be a minor (under 18) to qualify?
No. The Incapacitated Child Tax Credit can continue to be claimed into adulthood — there is no upper age limit for the child. The credit continues as long as the child's incapacity is permanent, originated before age 21, and the child cannot support themselves. Many parents continue to claim this credit for adult children with severe disabilities or intellectual disabilities who live in residential care or at home.
If my child receives Disability Allowance, can I still claim this credit?
Yes. The Incapacitated Child Tax Credit and the child's Disability Allowance are completely separate. If the child is old enough to receive Disability Allowance (from age 16), and the parent is still supporting them or contributing to their care, the parent can continue claiming the tax credit — it is not reduced because the child receives their own welfare payment.
Can I claim the credit if my child is in residential care?
It depends. If you are still contributing to the child's maintenance (beyond what the HSE or residential provider covers — such as clothing, personal items, trips home), you can generally still claim the credit. If the State is entirely meeting all costs, Revenue may question whether you are "maintaining" the child. Contact Revenue for guidance on your specific situation.
Does the credit apply to adopted or foster children?
The Incapacitated Child Tax Credit can apply to adopted children in the same way as biological children. For foster children, it depends on whether the foster carer is legally considered to be maintaining the child — in most foster cases, Tusla provides the maintenance (via the Foster Care Allowance), so the credit typically does not apply to foster carers. Adoptive parents who are the legal parents of an incapacitated child can claim in the normal way.
How do immigrants and non-EU families in Ireland claim this credit?
The Incapacitated Child Tax Credit is available to anyone who is tax resident in Ireland and pays income tax here, regardless of nationality. If you are working and paying income tax in Ireland and have a permanently incapacitated child, you can claim the credit. You will need a PPS number and a Revenue myAccount. The child does not need to be resident in Ireland in all cases — contact Revenue if the child is living abroad.
- The child does not have to be under 18 — the credit continues into adulthood as long as the permanent incapacity and inability to self-support continue.
- The credit is not refundable — it reduces your income tax to zero but does not generate a cash payment if your tax bill is below €3,300.
- You can back-claim for 4 prior tax years if you have never claimed — this can result in a significant refund.
- The credit is for income tax only — it does not reduce PRSI or USC.
- You only need to submit Form CC1 once (unless circumstances change) — Revenue applies the credit annually after initial approval.
This credit can be back-claimed for up to 4 years — potentially over €13,000 in relief. Marina Luna at d'Emilia Accounting is a specialist in Revenue back-claims and can submit the paperwork on your behalf.
Related guides
This page was reviewed against official Revenue.ie guidance and updated to reflect the 2026 Incapacitated Child Tax Credit value (€3,300) and Revenue's current Form CC1 submission process.