Helping a relative with money can feel informal until a bank, bill, or difficult decision exposes uncertainty about your role. A financial power of attorney defines authority; family expectations do not replace it. Begin by understanding the document and setting up records before making transactions on someone else’s behalf.

Read the authority before acting

Identify the person granting authority, the named agent, and the powers described in the document. Check when the authority becomes effective and whether conditions or limits apply. Ask a lawyer about wording you do not understand. A financial role should not be assumed to include healthcare decisions, and permission for one type of transaction should not be stretched to cover every proposed action.

Treat the money as someone else’s

The Consumer Financial Protection Bureau describes fiduciary duties that include acting for the other person’s benefit, managing carefully, keeping property separate, and maintaining records. Accepting a role under a power of attorney brings responsibilities beyond convenience. A family relationship does not turn the funds into a shared household resource or make informal permission from another relative a substitute for the required authority.

Build a record for each transaction

Record the date, amount, recipient, purpose, and supporting document for money received or spent. Note how a payment relates to the person’s needs or obligations. Keep reimbursement questions visible rather than netting personal and agency expenses together. A separate running explanation is particularly useful where a bank statement shows only a merchant name and gives no account of the decision behind the purchase.

Communicate without surrendering safeguards

Ask the relevant institution how it reviews a power of attorney and what documentation it needs. Use secure channels for sensitive records. Where appropriate, involve the person you are helping in explanations and decisions, taking account of their wishes and circumstances. If family members disagree, preserve the records and seek guidance rather than treating the loudest request as an instruction you are authorised to follow.

Pause when authority is uncertain

Gifts, transfers to the agent, major asset changes, conflicting instructions, or concerns about pressure deserve careful review. Do not proceed simply because a transaction seems beneficial. Ask what the document and state law permit, and obtain advice before crossing an unclear boundary. If you can no longer fulfil the role, seek guidance on the proper transition instead of abandoning payments or informally appointing a replacement.

Keep it practical

Your preparation list

  • Check the scope and effective date.
  • Keep personal and agency funds separate.
  • Explain each transaction in the records.
  • Get advice before uncertain transfers.

Reference points: Consumer Financial Protection Bureau, “What is a fiduciary?” and “Managing someone else’s money.” Powers of attorney are also governed by applicable state law. Reviewed September 30, 2026.

General information, not legal advice. The relevant law, documents, and circumstances determine the next step in an individual matter.