Technical article
If I Lose Capacity Abroad, Will My Power of Attorney Be Honoured?
The Hague Convention of 2000 on the international protection of adults covers cross-border incapacity and powers of attorney.
Picture a couple from Canada who retire to a town in France. They each signed a power of attorney at home, naming the other, and then a daughter. Years later one of them cannot manage money or sign for a bank. The daughter flies in with the papers. Will the French bank accept them?
A power of attorney is a document that lets a named person act for you. One that survives incapacity is the kind that matters here. The sources give a treaty and a few facts about trusts.
The treaty
The Hague Convention of 2000 on the international protection of adults covers cross-border incapacity and powers of attorney. The treaty body's status table (tier A) lists 16 parties in the extract read. Among them are:
| Party | In force |
|---|---|
| Germany | 1 January 2009 |
| France | 1 January 2009 |
| Switzerland | 1 July 2009 |
| Portugal | 1 July 2018 |
| Ireland | 1 September 2024 |
| Austria | Listed as a party |
| United Kingdom | For Scotland only |
Italy and the Netherlands have signed but not joined. The US, Canada, Australia and Spain do not appear in the extract.
So for a family in France, the treaty is in play on the French side. The convention works between parties. The party list suggests that a document made in a country outside the list is not covered by the treaty, and that local rules and local forms then apply. That reading is an inference (tier A source, low confidence), not a stated rule. A Canadian couple in France might be in that position.
The trust's way
A revocable trust is a different tool for the same worry. The New Mexico State University guide (tier B) says a living trust avoids a court-run guardianship if the maker becomes unable to act. It also says a durable power of attorney can handle your affairs in a case where a living trust would save no money.
How the handover works in practice comes from a California law firm (tier C). A revocable trust usually defines incapacity. It often asks for a doctor's letter, sometimes two. The successor trustee then shows the letters to the bank and takes over. Incapacity turns on evidence of impaired mental function, not on a diagnosis. A doctor requirement gives protection and can also slow things down. The trustee keeps beneficiaries informed.
| Tool | What it does | What to check |
|---|---|---|
| Power of attorney | Lets a named person act for you | Whether the country where you live recognises it |
| Living trust | The successor trustee takes over trust assets | The doctor's-letter wording in the deed |
| Treaty (2000) | Covers cross-border incapacity between parties | Whether both countries are on the list |
Banks want local paper
Banks in several countries ask for local documents. At death, Germany asks heirs for a certificate of heirs and the Netherlands for a notary statement. An attorney from abroad may meet the same desk and the same wish for a local document.
You could
You could check whether the country where you live is on the treaty list. You could ask your bank there what it wants from an attorney who comes from abroad. You could make a second power of attorney in the local form and keep both. You could also look at the incapacity clause in any trust and ask who writes the doctor's letter.
Who it touches
A spouse is the first person who would be asked. A daughter or son abroad would be next. A successor trustee is the third. Each has to show papers to a bank in a language that may not be theirs.
What did you find when you asked your bank in another country about a power of attorney? Share it here, because someone may be about to ask the same question.
Figures are estimates for planning, based on public data. Date read: October 2026.
Sources
- Hague Conference on Private International Law, status table of the 2000 adults convention (A)
- New Mexico State University guide G256 on wills and living trusts (B)
- California law-firm article on incapacity clauses in living trusts, 2024 (C)
- project research on bank requirements (B)
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