A power of attorney, often shortened to POA, is a legal document that lets one person act on another person’s behalf. People often ask about it when they need to help a parent, spouse, or family member manage money, including credit cards. It is a different concept from being an authorized user, and the difference matters.
What a power of attorney is
A power of attorney is a legal document in which one person, called the principal, gives another person, called the agent or attorney-in-fact, the authority to act on their behalf. A financial power of attorney can cover money matters like paying bills and managing accounts.
It is created and signed according to the rules of the principal’s state, and what the agent can do depends on how the document is written. Some are broad; others are limited to specific tasks.
How it relates to a credit card
With a valid financial power of attorney, an agent may be able to help manage a cardholder’s account — for example, making payments or handling the account when the cardholder cannot. The card issuer generally needs to review and accept the document first.
Issuers have their own procedures for recognizing a power of attorney. Acceptance is not automatic, and the issuer may ask for specific paperwork before letting the agent act on the account.
Power of attorney vs authorized user
Being an authorized user is different. An authorized user gets a card on someone else’s account and can make purchases, but they do not have legal authority over the account and are not responsible for the debt.
A power of attorney is a legal authority to act for the principal, which can include managing the account itself, not just spending on it. They serve different purposes: an authorized user is about access to spend, while a power of attorney is about legal authority to manage affairs.
Important limits and cautions
A power of attorney does not make the agent personally responsible for the principal’s debt, and it does not transfer ownership of the account. The agent is acting on behalf of the principal, not taking over as the borrower.
Powers of attorney are legal instruments with real consequences, and the rules vary by state and by issuer. For anything involving setting one up or using one, it is wise to consult a qualified attorney and to confirm the issuer’s specific requirements.
Frequently asked questions
Is a power of attorney the same as an authorized user?
No. An authorized user can spend on someone else’s account but has no legal authority over it. A power of attorney gives an agent legal authority to act on the principal’s behalf, which can include managing the account.
Does a power of attorney make me responsible for the debt?
Generally no. Acting as an agent under a power of attorney does not make you personally liable for the principal’s credit card debt or transfer ownership of the account to you.
Will a credit card issuer accept a power of attorney?
Not automatically. Issuers have their own procedures and may require specific documentation to recognize a power of attorney before an agent can act on the account.
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Explore Benefit GuardianThis article is general education, not legal or financial advice. Powers of attorney are legal documents with rules that vary by state and issuer — consult a qualified attorney and confirm your card issuer’s requirements.
By O.B., Founder · Last reviewed June 3, 2026