What's So Special About a Special Power of Attorney?

Many of us have signed a document authorizing a relative or friend to sell property, claim a check, or process a transaction on our behalf. That document is usually a Power of Attorney. But not all Powers of Attorney are the same — and confusing one type for another can lead to a costly mistake.

A Power of Attorney is a written instrument by which a person (the principal) authorizes another (the agent or attorney-in-fact) to act on his or her behalf. It is proof of a contract of agency, defined under Article 1868 of the Civil Code as one where a person “binds himself to render some service or to do something in representation or on behalf of another, with the consent or authority of the latter.”

When dealing with an agent who is not the owner or principal, one may require the presentation of a power of attorney issued by the principal in favor of the agent to ensure that the agent has been properly authorized to act on behalf of the principal. (Art. 1902, Civil Code)

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There are two kinds of powers of attorney: the General Power of Attorney (GPA) and the Special Power of Attorney (SPA).

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A GPA is one that authorizes the agent to perform acts of administration — routine transactions needed to manage the principal’s affairs. Notably, a GPA couched in general terms gives the agent only the power to perform acts of administration, even if the GPA states that the principal has granted the agent “all his powers.” (Art. 1877, Civil Code)

On the other hand, an SPA is one where the principal authorizes his or her agent to perform acts of strict dominion or ownership on behalf of the principal. These include, among others, the power to sell, mortgage, or lease property of the principal; to loan or borrow money; to forgive or waive debts owed to the principal; to enter into any other contract that would bind the principal; and even to accept or repudiate an inheritance due to the principal. (Art. 1878, Civil Code)

As the name suggests, a Special Power is special because it must specifically state the authority given by the principal to the agent. For example, a special power to sell does not automatically include the power to mortgage, and vice versa. (Art. 1879, Civil Code)

If the agent acts beyond the scope of the authority given to him or her, the action or transaction is unenforceable against the principal. (Art. 1403, Civil Code) However, the Supreme Court has declared in several decisions that contracts, sales, and mortgages made by an agent beyond the scope of the powers granted, or upon expired authorizations, are void.

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The exceptions to this rule are when (1) the principal ratifies the actions of the agent, and (2) the agent’s actions result in a more advantageous outcome for the principal.

Some real-life examples of the use of GPAs include authorizing a caretaker to manage a property and collect rent, or empowering a representative to handle and submit government filings, pay bills, or run a business while the owner is out of the country. On the other hand, examples of the use of SPAs include an OFW authorizing a sibling to sell or mortgage land back home, or a claimant authorizing another to file a case and represent him or her before the courts when the principal is unable to personally attend to the matter.

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The case of Bautista-Spille v. NICORP Management and Development Corp. (G.R. No. 214057, October 19, 2015) is instructive: it illustrates an instance where a power of attorney, despite appearing to grant the agent broad powers, still fell short of the specific authority required of an SPA. In that case, the principal executed a GPA in favor of her brother, which authorized him “[t]o exercise administration, general control and supervision over my/our business and property in the Philippines, and to act as my/our general representative(s) and agent(s) with full authority to buy, sell, negotiate and contract for me/us and my/our behalf.”

When the brother used the GPA to sell land belonging to the principal, the Supreme Court declared that the GPA did not give him the power to sell the property, even though the authority was couched in very broad terms covering the principal’s businesses and properties. As a result, the contract to sell executed by the brother was declared void.

Accordingly, the distinction between a GPA and an SPA is not merely academic but carries significant practical consequences.

It is also important to know that the authority granted in a GPA or an SPA expires when the expiry date stated in the authorization arrives, when the principal revokes the authorization, or when the principal dies.

In a case where a daughter empowered with an SPA mortgaged her father’s land after his death, the Supreme Court ruled that the SPA was automatically extinguished by the death of the principal, the father. Agency, being personal and fiduciary, does not last forever. It is extinguished by revocation, withdrawal by the agent, death, civil interdiction, insanity or insolvency of either party, or the expiration of the period or accomplishment of the purpose for which it was constituted. The creditor, who sought to foreclose on the loan for which the property was mortgaged, was not allowed to do so, as the mortgage was declared void. (San Miguel Foods, Inc. v. Alova, G.R. No. 260071, May 7, 2025)

Simply put, the agent’s authority comes from the principal — and once the principal is gone, so is the source of that authority.

This rule is not absolute: an SPA survives the death of the principal (1) when the SPA is coupled with an interest, and (2) when the agent and the third party dealing with the agent are unaware of the death of the principal and both act in good faith. (Arts. 1930 and 1931, Civil Code)

In Republic v. Evangelista (G.R. No. 156015, August 11, 2005), Dante Legaspi authorized his nephew, Paul Gutierrez, through an SPA, to manage treasure-hunting activities on his land and to sue trespassers, in exchange for 40% of any treasure found. The Supreme Court ruled that since the SPA was “coupled with an interest,” Legaspi could not revoke it. It is this same “common interest” principle that shields an agency from revocation even after the principal’s death.

In view of the foregoing, a Power of Attorney is a powerful tool — but only as reliable as the care taken in its drafting, use, and verification. INQ

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(The author, Atty. John Philip C. Siao, is a practicing lawyer and founding Partner of Tiongco Siao Bello & Associates Law Offices, an Arbitrator of the Construction Industry Arbitration Commission of the Philippines, and teaches law at the De La Salle University Tañada-Diokno School of Law. He may be contacted at [email protected]. The views expressed in this article belong to the author alone.)