Power of attorney for a parent: what to set up before you need it

Of everything involved in helping a parent plan for the years ahead, power of attorney is the one item with an actual deadline — not a date on a calendar, but a closing window tied to a parent’s own mental capacity. Once that capacity is gone, the option to set it up is gone too.

What power of attorney actually is

A power of attorney (POA) is a legal document that lets one person (the “agent”) act on behalf of another person (the “principal”) in specific situations. For a parent’s planning purposes, this usually means two separate documents: a financial power of attorney, covering bills, accounts, and financial decisions, and a healthcare power of attorney (sometimes called a healthcare proxy or medical POA), covering medical decisions if a parent can’t communicate them directly. The Consumer Financial Protection Bureau’s overview explains the general distinction and how each is typically used.

A durable power of attorney is the version that matters most for this purpose — “durable” means it remains valid even if the principal later becomes incapacitated, which is the entire point of setting one up in advance.

Why timing is the whole story here

A power of attorney can only be signed by someone who’s currently deemed mentally capable of understanding what they’re signing. This means the document has to be created before it’s needed — once a parent has experienced significant cognitive decline, it may be too late to execute one at all. The National Institute on Aging’s guidance on legal and financial planning frames this directly: getting these documents in order is time-sensitive in a way most other retirement planning isn’t.

This is also why bringing it up early and calmly — well before there’s any sign of decline — tends to go better than raising it during or after a health crisis, when the conversation carries more emotional weight and, if capacity has already become a question, may no longer be a real option at all.

What happens without one

Without a valid power of attorney, a family facing a parent’s incapacity typically has to petition a court for guardianship or conservatorship — a legal process that can be slow, expensive, emotionally difficult, and that puts decisions in a court’s hands rather than a chosen family member’s. This is the scenario a power of attorney is specifically designed to prevent, and it’s the single clearest reason this document tends to top elder law attorneys’ lists of what families wish they’d done sooner.

How to actually bring this up

This fits naturally alongside the broader finances conversation — see How to get a clear picture of a parent’s retirement finances for how to approach that discussion generally. Framing power of attorney as something every adult should have on file, regardless of age or health, rather than something specific to a parent’s situation, tends to reduce the sense that the conversation is really about decline. Many elder law attorneys recommend pairing it with a basic will and healthcare directive (sometimes called a living will) in a single planning conversation, rather than tackling each separately.

Where to get this actually set up

Power of attorney requirements (witnessing, notarization, specific language) vary by state, and a document that doesn’t meet a state’s requirements may not be honored when it’s needed most. An elder law attorney — found through the National Academy of Elder Law Attorneys at naela.org — can draft documents that are valid in a parent’s state and tailored to the family’s actual situation. The American Bar Association’s resources on healthcare decision-making are a useful starting point for understanding the healthcare-specific version before that conversation.

Related reading: How to get a clear picture of a parent’s retirement finances and Helping a parent plan retirement: a guide for adult children.