What Are the Different Types of Falsification in Philippine Law?

Introduction

Falsification is not a single offense under Philippine law. It covers several forms of making, altering, or using a false document, and the applicable crime depends on the offender’s status, the character of the document, the specific act committed, and the presence of damage or intent to cause damage.

The principal provisions are found in Articles 171 and 172 of the Revised Penal Code, as amended by Republic Act No. 10951. Other offenses may also arise when false statements are made under oath, when falsified documents are used to commit estafa, or when forged evidence is furnished in a proceeding governed by a special law.

A proper analysis therefore requires identifying the document involved, the precise mode of falsification, the offender’s relationship to the document, and the evidence proving each element beyond reasonable doubt.

Principal Crimes Involving Falsification

The principal crimes are falsification by a public officer, employee, or notary; falsification by a private individual; use of falsified documents; falsification of private documents; and related crimes such as perjury and estafa through falsification.

Offense	Typical offender	Document or conduct involved
Falsification by a public officer, employee, or notary	Public officer, employee, or notary	Falsification committed by taking advantage of official position
Falsification by a private individual	Private individual, or public officer who did not use official position	Public, official, commercial, or similar document
Falsification of a private document	Any person	Private document, coupled with damage or intent to cause damage
Use of falsified documents	Any person who knowingly uses or introduces a false document	Judicial proceeding, damage to another, or intent to cause damage
Perjury	Any person making a false statement under oath	Affidavit or testimony on a material matter

Falsification by a Public Officer, Employee, or Notary

Article 171 of the Revised Penal Code punishes a public officer, employee, or notary who, taking advantage of official position, falsifies a document through any of the acts specified in the law. Republic Act No. 10951 amended the penalty to prisión mayor and a fine not exceeding P1,000,000.

The elements are: first, the accused is a public officer, employee, or notary; second, the accused takes advantage of official position; and third, the accused falsifies a document by committing one of the statutory acts. Department of Finance-Revenue Integrity Protection Service v. Office of the Ombudsman, et al., G.R. No. 240137, 2020, identified these general elements. [Department of Finance-Revenue Integrity Protection Service v. Office of the Ombudsman, et al. (2020)](#J2.16)

The official position must have facilitated or enabled the falsification. Merely holding public office is not enough. In Garong v. People of the Philippines, G.R. No. 172539, 2016, the Court distinguished falsification by a public officer from falsification by a private individual where the public position did not facilitate the offense. [Garong v. People of the Philippines (2016)](#J10.8)

Modes of Commission Under the Law

Article 171 identifies the following modes of falsification:

• Counterfeiting or imitating a handwriting, signature, or rubric. This involves creating or imitating a signature or handwriting in a manner that makes it appear genuine.
• Causing it to appear that a person participated in an act or proceeding when that person did not. The document falsely represents participation, appearance, attendance, certification, or involvement.
• Attributing to a participant statements different from those actually made. The document misstates what a person said or represented during an official act or proceeding.
• Making untruthful statements in a narration of facts. This applies when the offender has a legal obligation to state the truth and the facts narrated are absolutely false.
• Altering true dates. The date appearing in a genuine document is changed to create a false legal or factual effect.
• Making an alteration or intercalation in a genuine document that changes its meaning. The alteration must affect the document’s substance or legal significance.
• Issuing an authenticated copy when no original exists, or inserting statements contrary to the genuine original.
• Intercalating an instrument or note in a protocol, registry, or official book.

The statutory modes are found in Article 171 of the Revised Penal Code, as amended by Republic Act No. 10951. [Republic Act No. 10951 (2017)](#L1.23)

Falsification Through Untruthful Narration of Facts

Falsification through an untruthful narration of facts is not established merely because a statement is inaccurate. The prosecution must prove that the accused made the statement in a document, had a legal obligation to disclose the truth, and stated facts that were absolutely false.

Jurisprudence also requires proof that the false narration was made with wrongful intent to injure a third person. These requirements were summarized in Mangangey, et al. v. Sandiganbayan, et al., G.R. Nos. 147773-74, 2008. [Mangangey, et al. v. Sandiganbayan, et al. (2008)](#J4.12)

A public officer who certifies that a government project was fully completed, despite knowing that it was incomplete, may be liable when the false certification causes the release of public funds. The surrounding circumstances, official records, inspection reports, vouchers, and testimony of persons with knowledge may establish the falsity and the officer’s participation.

Falsification by a Private Individual

Article 172(1) applies when a private individual commits any of the falsification acts under Article 171 in a public or official document, letter of exchange, or commercial document. It may also apply to a public officer who did not take advantage of official position.

The elements are: first, the accused is a private individual, or a public officer who did not use official position; second, the accused committed an act described in Article 171; and third, the falsification was committed in a public, official, or commercial document.

The penalty under Republic Act No. 10951 is prisión correccional in its medium and maximum periods and a fine not exceeding P1,000,000. [Republic Act No. 10951 (2017)](#L1.24)

The distinction between Articles 171 and 172 is therefore not determined solely by the accused’s government employment. The prosecution must also prove that the accused took advantage of official position before liability under Article 171 may be imposed. Garong v. People of the Philippines, G.R. No. 172539, 2016. [Garong v. People of the Philippines (2016)](#J10.8)

Falsification of Private Documents

Article 172(2) covers falsification in a private document when the act causes damage to a third party or is committed with intent to cause such damage. The provision incorporates the falsification acts described in Article 171, except the mode involving the issuance of an authenticated copy under Article 171(7).

The elements are: first, the accused committed a falsification act; second, the falsification was made in a private document; and third, the falsification caused damage to another or was committed with intent to cause damage.

In Manansala v. People of the Philippines, G.R. No. 215424, 2015, the Court emphasized that damage or intent to cause damage is an essential component of falsification of private documents. [Manansala v. People of the Philippines (2015)](#J13.6)

A private document does not become the basis for criminal liability merely because it contains an incorrect statement. The prosecution must connect the false statement to actual prejudice or a proven intent to cause prejudice.

Use of Falsified Documents

Article 172(3) punishes a person who knowingly introduces a falsified document in evidence in a judicial proceeding, uses it to the damage of another, or uses it with intent to cause such damage. The penalty is the penalty next lower in degree than that prescribed for the applicable falsification offense.

The prosecution must prove more than possession. It must establish that the document was false, that the accused knew of its falsity, and that the accused introduced or used it in one of the circumstances identified by law.

Possession and use may, however, support an inference that the possessor was the author of the falsification when there is no satisfactory explanation, particularly when the possessor was the person who benefited from the document. This evidentiary principle appears in Brisenio v. People of the Philippines, G.R. No. 241336, 2021, and Koh Tieck Heng v. People of the Philippines, et al., G.R. Nos. 48535-36, 1990. [Brisenio v. People of the Philippines (2021)](#J3.7) [Koh Tieck Heng v. People of the Philippines, et al. (1990)](#J12.20)

The inference is not conclusive. The accused may rebut it by showing lack of knowledge, lack of participation, lack of control over the document, or a credible lawful explanation for possession or use.

Falsification and Estafa

Falsification may be complexed with estafa when the falsification is a necessary means of committing the fraud. Under Article 48 of the Revised Penal Code, the penalty for the most serious offense is imposed in its maximum period when one offense is a necessary means for committing another.

Estafa requires proof of deceit, reliance or inducement, and damage. In the usual form involving false pretenses, the false representation must be made before or simultaneously with the fraud, must induce the offended party to part with money or property, and must result in damage.

Mangangey, et al. v. Sandiganbayan, et al. recognized that public officers who made false certifications causing the release of public funds for incomplete projects could be liable for estafa through falsification of public documents. [Mangangey, et al. v. Sandiganbayan, et al. (2008)](#J4.11)

In Brisenio v. People of the Philippines, the Court also recognized that Republic Act No. 10951 may apply retroactively when its provisions are favorable to the accused, consistent with the rule on the retroactivity of penal laws favorable to the accused. [Brisenio v. People of the Philippines (2021)](#J3.7)

Falsification and Perjury

Perjury is a separate offense from falsification. Article 183 of the Revised Penal Code applies when a person knowingly makes an untruthful statement under oath or executes an affidavit on a material matter before a competent officer authorized to administer oaths.

A false statement in an affidavit does not automatically constitute falsification. The correct charge depends on whether the falsehood concerns the contents or execution of a document, whether the document is public or private, whether the accused had a legal obligation to state the truth, and whether the statutory elements of perjury are present.

Where the document itself is falsified, the prosecution may proceed under Articles 171 or 172. Where the principal misconduct is the deliberate making of a material false statement under oath, Article 183 may apply.

Falsification Involving Public Funds

False certifications, inspection reports, accomplishment reports, delivery receipts, payrolls, and disbursement documents may support prosecution for falsification when they falsely state that goods were delivered, services were performed, or projects were completed.

When the false document is used to obtain public funds, the accused may face a complex crime involving estafa and falsification. The prosecution must still prove the falsification, the fraudulent representation, the causal connection between the deceit and the release of funds, and the resulting damage.

Conspiracy may be proven through circumstantial evidence. Coordinated preparation, certification, approval, payment, and receipt of funds may establish a common unlawful purpose when the circumstances form an unbroken chain leading to guilt beyond reasonable doubt. Fernan, Jr., et al. v. People of the Philippines, G.R. No. 145927, 2007. [Fernan, Jr., et al. v. People of the Philippines (2007)](#J7.46)

Evidence Required for Conviction

Falsification is a criminal offense, so conviction requires proof beyond reasonable doubt. The prosecution should establish the identity and authenticity of the document, the specific false entry or alteration, the accused’s participation, the applicable document classification, and every circumstance required by the particular subsection charged.

Common forms of proof include:

• the original document or a properly authenticated copy;
• handwriting or signature comparison and testimony from a qualified examiner;
• testimony from persons whose signatures, statements, or participation were falsely represented;
• official records disproving the narration or certification;
• proof of the accused’s access, control, custody, or use of the document;
• financial, accounting, delivery, inspection, or payment records; and
• circumstances showing motive, benefit, knowledge, or coordinated conduct.

For falsification by a public officer under Article 171, evidence must show both the official status of the accused and the use or advantage of that position. For private-document falsification under Article 172(2), evidence must show damage or intent to cause damage.

Common Defenses

The defense must be evaluated against the precise mode charged. General denials are ordinarily insufficient, but the prosecution must first prove every element of the offense.

• No participation. The accused may show that another person prepared, signed, altered, or submitted the document.
• No knowledge. This is relevant to a charge for using a falsified document.
• No official advantage. A public officer may argue that the position did not facilitate the falsification, supporting liability under Article 172 rather than Article 171, or negating criminal liability if another element is also absent.
• No absolute falsity. An ambiguous, incomplete, or honestly mistaken statement may not satisfy the requirement that the narrated facts are absolutely false.
• No damage or intent to cause damage. This may defeat a charge involving falsification of a private document.
• Failure to prove the document’s character. The prosecution must establish whether the document is public, official, commercial, or private.
• Variance between the Information and proof. The accused cannot be convicted of a falsification mode that was not properly charged or necessarily included in the Information.

In Malabanan v. Sandiganbayan, G.R. No. 186329, 2017, the Court reiterated that an accused cannot be convicted of an offense that is not clearly charged in the Information. The constitutional right to be informed of the nature and cause of the accusation includes the right to know the specific criminal act alleged. [Malabanan v. Sandiganbayan (2017)](#J11.15)

Good faith may be relevant when it negates knowledge, intent, participation, or wrongful purpose. It cannot prevail, however, where the evidence shows that the accused knew the true facts and deliberately made a false statement or used a false document. Del Prado, et al. v. People of the Philippines, G.R. No. 186030, 2012. [Del Prado, et al. v. People of the Philippines (2012)](#J5.14)

Important Procedural and Charging Considerations

The Information should identify the document, the falsification mode, the date and place of commission, the accused’s participation, and the facts showing the document’s public, official, commercial, or private character. It should also allege damage or intent to cause damage when required by the provision invoked.

A conviction cannot rest on a theory materially different from the offense charged. If the prosecution proves a different falsification mode from the one alleged, the variance may violate the accused’s right to be informed of the accusation, even if other properly charged offenses remain supported by the evidence.

Compromise or payment of civil liability does not ordinarily extinguish criminal liability for estafa or falsification because these are public offenses prosecuted in the name of the State. Serrano v. Court of Appeals, et al., G.R. No. 123896, 2003. [Serrano v. Court of Appeals, et al. (2003)](#J6.16)

Practical Review Checklist

Before filing a complaint or preparing a defense, examine the following questions:

• What exact document was allegedly falsified?
• Is the document public, official, commercial, or private?
• Which specific mode of falsification is alleged?
• Was the accused a public officer, employee, or notary?
• Did the accused take advantage of official position?
• Was the document used, introduced in evidence, or submitted to obtain money or property?
• Is damage or intent to cause damage required, and has it been shown?
• Does the evidence prove knowledge, participation, and wrongful intent?
• Does the Information properly allege the offense and its elements?
• Is Republic Act No. 10951 applicable to the penalty and amount involved?

Conclusion

Philippine law recognizes several distinct forms of falsification. The principal distinctions concern the offender’s status, the use of official position, the nature of the document, the specific act of falsification, and the existence of damage or intent to cause damage.

For the prosecution, the most important task is to prove every statutory element and connect the accused to the document through direct or reliable circumstantial evidence. For the defense, the analysis should focus on the precise charge, the document’s legal character, the absence of official advantage or knowledge, the absence of damage where required, and any variance between the Information and the evidence.

Because falsification may be complexed with estafa, used as a basis for public-fund charges, or confused with perjury, the charging decision should be made only after examining the document, the surrounding transaction, the accused’s participation, and the evidence showing falsity and intent.

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