What a notarized medical consent letter is, when a school, camp, host or clinic asks for one, and what a notary does — and does not do — with it in Ontario.
Medical consent forms rarely need a notary. Consent to treatment in Ontario is governed by the Health Care Consent Act, 1996, and it is valid without a notarial seal. What families usually need is simpler: a signed letter that a school, camp, relative, host family or clinic can rely on to show what the parents have agreed to — and sometimes that organisation asks for the signature to be notarized.
This guide explains what a notarized medical consent letter is, when a recipient tends to ask for one, and what a notary does and does not do with it.
What a Medical Consent Letter Is
A medical consent letter is a signed statement by a parent (or, for their own care, the patient) recording their wishes — for example, that a named adult may take the child to a doctor, share information with the clinic, and agree to routine or emergency care while the parent is away.
Notarization adds one thing: an independent record of who signed, that they signed willingly, and when. It does not make the letter legally binding on a hospital, and it does not give the caregiver legal authority over treatment. A hospital or clinic follows the Health Care Consent Act, 1996: a capable patient — of any age — consents for themselves, and for a patient who is not capable, the Act's own list of substitute decision-makers (s. 20) decides.
The legal framework
| Legislation | Purpose | What it means for a consent letter |
|---|---|---|
| Health Care Consent Act, 1996 | Governs consent to treatment | Capacity-based; no age of consent; s. 20 lists substitute decision-makers |
| Substitute Decisions Act | Powers of attorney for personal care | A separate document a lawyer drafts; not a consent letter |

When a School, Camp, Host or Clinic Asks for One
The letter itself is informal, so whether it needs a notary depends entirely on who is asking. Situations where families are commonly asked for a signed — sometimes notarized — consent letter:
- A child on a school trip, at camp, or staying with grandparents or relatives
- A child travelling with one parent or another adult (see travel consent letters)
- An exchange student or host-family placement
- Treatment abroad, where a foreign hospital or insurer may ask for a notarized and translated letter — acceptance is the recipient's decision, and some countries also want an apostille from Official Documents Services (ODS), Ontario
- A clinic or specialist that wants a non-parent's permission to bring the child confirmed in writing
Ask the recipient what it wants before booking: its own form, a letter, a notarized signature, or a statutory declaration. The recipient decides what it accepts; the notary cannot promise acceptance.
What the Notary Does — and Does Not Do
At the appointment the notary:
- Checks government photo ID for each signer
- Confirms the letter is complete on its face and still unsigned
- Confirms each signer is signing willingly
- Takes the declaration or witnesses the signature
- Completes the jurat or notarial certificate and applies the seal
The notary does not draft the letter, review or advise on its wording, confirm that the parent has decision-making responsibility for the child, or interpret a court order or separation agreement. Those are questions for a family lawyer. If the letter is missing a date, a name or a signature line, the notary will point that out; what the letter should say is up to you and the recipient.
Online or In Person
- Online, as a statutory declaration. When the consent is prepared as a statutory declaration, the parent declares it and the notary commissions the declaration over secure video under O. Reg. 431/20. This is the usual route when the recipient accepts a declaration — an online appointment averages 3–4 minutes.
- In person, as a witnessed signature. When the recipient wants a notary-witnessed signature on the letter, that is an in-person appointment at our Orléans office or a mobile visit in Ottawa, Orléans, Barrhaven, Kanata or Nepean.
Confirm with the recipient which form it accepts, then book online or call (613) 434-5555.

What to bring
- Valid government-issued photo ID for each signer
- The letter or form, prepared and unsigned
- The child's full name and date of birth as they appear on their documents
- Any court order or agreement that affects decision-making — the notary does not interpret it, but you should know what it says
Cost
| Service | Cost |
|---|---|
| First notary stamp/seal | $24.95 + HST |
| Each additional signer | $24.95 additional-signer fee; first signer included |
| Mobile visit | Flat $60 travel fee |
Powers of Attorney for Personal Care Are Different
A power of attorney for personal care lets someone you name make treatment decisions if you become incapable. It is made under the Substitute Decisions Act, needs two witnesses, and is not a consent letter. A lawyer drafts it; Minute Notary witnesses powers of attorney in person and does not draft them. See our power of attorney guide.
Frequently Asked Questions
Can I create my own medical consent form?
Yes. Many schools, camps and clinics have their own form; otherwise a short signed letter is common. A notary does not draft or review the wording — a lawyer can advise if the situation is complicated. Bring the letter prepared and unsigned to the appointment.
How long is a notarized medical consent form valid?
There is no fixed rule. State the dates the letter covers; the school, camp, host or clinic decides whether it wants a newer one. A power of attorney for personal care is a different document with its own rules under the Substitute Decisions Act.
Do both parents need to sign medical consent for a minor?
Ask the recipient — many want every person with decision-making responsibility to sign. Under Ontario's Health Care Consent Act, 1996 there is no age of consent: a capable minor consents to their own treatment, and for a patient who is not capable the Act's own list of substitute decision-makers (s. 20) applies. A notary cannot decide who has authority; a family lawyer can.
Can a notarized consent be revoked?
Yes. Consent can be withdrawn by the person who gave it. Revoke a letter in writing and tell the caregiver and the organisation holding it.
Related Services
- Statutory Declarations: A consent letter prepared as a declaration, commissioned online
- Notarizing Signatures: A notary-witnessed signature on a consent letter, in person
- Travel Consent Letters: A letter for a child travelling with one parent or another adult
- Power of Attorney: We witness powers of attorney for personal care in person; we do not draft them
Ready to Get Your Medical Consent Letter Notarized?
Bring the letter prepared and unsigned, with photo ID for each signer. Contact Minute Notary or book online; we handle healthcare documents with the confidentiality they deserve.
This article is for informational purposes only and does not constitute legal or medical advice. Consult with healthcare providers and legal professionals for guidance specific to your situation.
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This article was written using AI.
About the author
Kai Mai
Co-founder & Chief Technology Officer, Minute Notary
Kai Mai writes and edits the Minute Notary guides, working from the published federal and Ontario guidance each article links, and from what Ottawa clients actually run into with certified copies, affidavits, statutory declarations, travel consent letters, and immigration paperwork. These guides are general information written by our editorial team — not legal advice, and not a professional opinion on your document. The receiving authority always has the final say.

