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Alonso Sala

CRIMINAL LAWYERS

Forgery of Stamps, Marks and Stamped Effects

Criminal defence in the forgery of official stamps and marks, stamped effects and possession of tools for forging (Arts. 398-400 CC).

Forgery of stamps, marks and stamped effects is governed by Articles 398 to 400 of the Criminal Code. These provisions protect the public faith attached to the signs by which the public administration certifies the authenticity, the payment of fees or the official origin of a document or product. At Alonso Sala, as criminal defence lawyers specialising in document forgery, we defend both public officials and private individuals investigated for this conduct.

Unlike public document forgery, which concerns the content of the document, here the conduct affects the stamps, marks and effects that confer official authenticity. These figures are closely linked to the rest of the document forgery offences in Title XVIII of the Criminal Code.

Forgery by Official and by Private Individual

The Code distinguishes according to who carries out the conduct:

  • Official (Art. 398 CC): The authority or public official who, abusing their office, forges or improperly uses an official stamp or mark faces imprisonment of 6 months to 3 years and special disqualification. Cases of minor significance are excluded.
  • Private individual (Art. 399 CC): A private individual who forges or knowingly uses, to the detriment of another, official stamps or marks or stamped effects is punished with a fine, a penalty notably lower than that for the official.

Stamped Effects: Policies and Stamps

Stamped effects are the signs issued by the public administration that certify the payment of a tax, fee or service. They include, among others:

  • Policies and effects for the payment of administrative fees.
  • Postage stamps and official franking.
  • Stamped paper and official paper bearing authenticity marks.

The forgery of these effects, or their use knowing them to be forged, constitutes the offence under Article 399 CC. The conduct requires that the imitation has suitability to pass as genuine in commerce.

Tools and Programs for Forging (Art. 400 CC)

Article 400 CC advances criminal protection to preparatory acts: it punishes the manufacture, receipt, obtaining or possession of tools, materials, instruments, substances, data and computer programs intended for the commission of any of the forgery offences in the title. The penalty is that laid down for the forgery itself.

This means that possessing machinery, templates or software specifically designed to forge stamps, marks or effects may be punished with the same severity as the completed forgery. The defence must examine whether the seized tools were genuinely intended for forging or had a lawful use.

Defence Strategy

  1. Unsuitability of the imitation: Demonstrate that the forged stamp or effect was crude and incapable of passing as genuine in commerce.
  2. Lawful purpose of the tools: Under Article 400 CC, establish that the seized instruments were not intended for forging.
  3. Absence of intent: Prove the lack of knowledge of the forgery on the part of whoever used the stamped effect.
  4. Minor significance: Invoke the exclusion of marginal conduct that does not affect the public faith.
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Penalty Chart

Type / ScenarioCriminal Penalty
Forgery by an official (Art. 398 CC)Imprisonment of 6 months to 3 years and special disqualification, save in cases of minor significance.
Forgery or use by a private individual (Art. 399 CC)Fine, a lower penalty than that for the official, for forging or knowingly using stamps, marks or stamped effects.
Tools for forging (Art. 400 CC)The manufacture or possession of tools, materials or programs for forging is punished with the penalty laid down for the forgery itself.

* Penalties shown are indicative. The actual penalty depends on case circumstances, applicable mitigating and aggravating factors.

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Our Defense Strategy

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Exclusion for Unsuitability

Establish that the imitation lacked any capacity to deceive and did not affect the protected public faith.

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Lawful Use of the Instruments

In possession of tools under Article 400 CC, prove that the material had legitimate applications unrelated to forging.

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Mistake as to the Forgery

Demonstrate that whoever used the stamped effect genuinely believed in its authenticity, which excludes intent.

Document Forgery, False Testimony & Digital Crimes in Spain

Document forgery (Art. 390-399 CP), false testimony (Art. 458-462 CP), and cybercrime (Art. 197-197 bis CP) are legal areas where technical evidence — forensic document analysis, digital trails, and expert testimony — dominates the trial. As criminal defense lawyers specializing in these offenses, we counter each piece of forensic evidence with our own expert analysis.

Penalty Table: Documentary and Informational Offenses

OffenseArticlePenalty
Public Document ForgeryArt. 3903 – 6 years + disqualification
Commercial Document ForgeryArt. 3926 months – 3 years
Private Document ForgeryArt. 3956 months – 2 years
Use of False DocumentArt. 400Same as the forgery committed
False Testimony (Criminal)Art. 4581 – 3 years + fine
False AccusationArt. 4566 months – 2 years
Computer Intrusion (Hacking)Art. 197.36 months – 2 years
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Why Choose Us?

Need a criminal defense lawyer for this type of offense? Here's how we work:

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Unsuitability of the ImitationWe demonstrate that the stamp, mark or effect was crude and incapable of passing as genuine in commerce.
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Lawful Purpose of the ToolsUnder Article 400 CC, we establish that the seized instruments or programs had a lawful use and were not intended for forging.
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Absence of IntentWe prove that the accused did not know of the forgery of the stamped effect or stamp when using it.
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+15 Years of ExperienceTeam dedicated exclusively to criminal law before Spanish courts and tribunals.
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Direct AttentionYour case is handled directly by a senior lawyer of the firm.
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gavelElements of the Crime

  • check_circleMaterial object:Official stamps and marks and stamped effects (policies, postage stamps, stamped paper) issued by the public administration.
  • check_circleConduct:Forging or knowingly using the stamp, mark or effect, or manufacturing and possessing tools intended for forging (Art. 400 CC).
  • check_circleSuitability:The imitation must be capable of passing as genuine. A crude forgery may fall outside the offence for unsuitability.

gavelPenal Consequences

Forgery by an official (Art. 398 CC)

Imprisonment of 6 months to 3 years and special disqualification, save in cases of minor significance.

Forgery or use by a private individual (Art. 399 CC)

Fine, a lower penalty than that for the official, for forging or knowingly using stamps, marks or stamped effects.

Tools for forging (Art. 400 CC)

The manufacture or possession of tools, materials or programs for forging is punished with the penalty laid down for the forgery itself.

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FAQs

What are stamped effects?expand_more
They are the signs issued by the public administration that certify the payment of a tax, fee or service: policies, postage stamps, stamped paper and similar items.
What penalty does an official who forges an official stamp face?expand_more
Article 398 CC punishes the authority or official who forges or improperly uses an official stamp or mark with imprisonment of 6 months to 3 years and special disqualification.
And if a private individual forges it?expand_more
Article 399 CC provides, for the private individual who forges or knowingly uses stamps, official marks or stamped effects, a penalty of a fine, lower than that for the official.
Is it an offence to possess machines or programs for forging?expand_more
Yes. Article 400 CC punishes the manufacture or possession of tools, materials or computer programs intended for forging with the same penalty as the completed forgery.
Is forging a postage stamp an offence?expand_more
Yes. Postage stamps are stamped effects. Their forgery or use knowing them to be forged is punished under Article 399 CC with a penalty of a fine.
What is the difference with ordinary document forgery?expand_more
Document forgery concerns the content of the document; the forgery of stamps and effects affects the official signs that certify authenticity or the payment of fees.
Does the quality of the imitation matter?expand_more
Yes. The conduct requires suitability: if the imitation is crude and incapable of passing as genuine in commerce, it may fall outside the offence for unsuitability.
What defence is available against possession of tools?expand_more
The defence can demonstrate that the instruments or programs had a lawful use and were not intended for forging, which excludes the offence under Article 400 CC.

Do you need specialised legal assistance?

The judicial system is complex. We have the criminal-law specialisation and technical resources required to take on the defence.

Contact Alonso Sala
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