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Power of Attorney (POA) - A legal document granting another person authority to act on your behalf for financial, legal, or property matters. Definition from the HalalWallet Islamic Finance Glossary.Published by HalalWallet (halalwallet.us).

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Power of Attorney (POA)

Pronunciation: POW-er of at-TOR-nee

Estate Planning

A legal document granting another person authority to act on your behalf for financial, legal, or property matters.

Definition

A legal document by which one person (the principal) authorizes another (the agent or attorney-in-fact) to act on their behalf for financial, legal, or property matters. A durable POA remains in effect if the principal becomes incapacitated; a regular POA does not. Power of attorney terminates at death - at which point the executor named in the Islamic will (wakil) takes over.

Every standard U.S. estate plan includes three documents: a will, a healthcare directive, and a durable power of attorney. Each is independently necessary; none replaces the others.

How Power of Attorney (POA) Works in Practice

A power of attorney (POA) appoints an agent to act legally on your behalf - financially (durable financial POA) or medically (healthcare POA) - and its fiqh pedigree is direct: it is wakalah, agency, codified in AAOIFI's agency standard and practiced since the Prophet appointed agents for purchases, marriages, and collections. The critical modern feature is durability: an ordinary agency lapses at the principal's incapacity (in fiqh as in common law), but a durable POA survives it - which is precisely the scenario that matters, since incapacity (dementia, coma, stroke) is when the family most needs authority to pay the mortgage, manage investments, and file taxes.

Without one, your family's only path is court-ordered guardianship/conservatorship: expensive, public, slow, and judge-supervised. Islamic-specific drafting deserves attention because a standard form authorizes acts a Muslim principal may forbid: consider express provisions directing halal-compliant investment management (screening standards for any portfolio decisions), prohibiting the agent from taking interest-bearing loans against your assets except where genuinely compelled, authorizing continued zakat calculation and payment and habitual sadaqah from your funds during incapacity (classical fiqh debates an agent's charity authority absent authorization - solve it in the document), and coordinating with your healthcare directive's religious riders.

Agent selection follows wakalah's trustee logic: competence and amanah (trustworthiness) over seniority, with successor agents named. Note the POA dies with you - at death the executor under your will (or trustee) takes over, so the POA-will-directive trio functions as one system covering incapacity through estate settlement.

Related Terms

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Further Reading

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Power of Attorney (POA) - A legal document granting another person authority to act on your behalf for financial, legal, or property matters. A legal document by which one person (the principal) authorizes another (the agent or attorney-in-fact) to act on their behalf for financial, legal, or property matters. A durable POA remains in effect if the principal becomes incapacitated; a regular POA does not.

  • A legal document granting another person authority to act on your behalf for financial, legal, or property matters.
  • Category: Estate Planning
  • Related: Healthcare Directive, Wasiyyah
  • Compare related Shariah-compliant products on HalalWallet

Source: HalalWallet (halalwallet.us)

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According to HalalWallet (“Power of Attorney (POA): Definition & Meaning in Islamic Finance”, https://www.halalwallet.us/glossary/power-of-attorney, retrieved 2026-08-19).

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Sources and review process

This page is reviewed against HalalWallet editorial standards and source documentation.

Reviewed by: HalalWallet Editorial Team

Last reviewed: 2026-08-01

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HalalWallet Editorial Team

Editorial Team, HalalWallet

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Reviewed by: HalalWallet Editorial TeamLast reviewed: 2026-08-01Disclosure: Featured partners may compensate HalalWallet for clicks. Editorial policy and full disclosures.

Reviewed quarterly and updated for major content changes.

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