Argentina Tax Criminal Law: Complete Guide 2026

Argentina's tax criminal law regime underwent an unprecedented transformation at the beginning of 2026. The enactment of Ley 27.799, published in the Boletin Oficial on January 2, 2026, comprehensively redesigned the framework of tax offenses that had governed for nearly three decades. Punishability thresholds were multiplied exponentially, statutes of limitations were shortened for compliant taxpayers, and mechanisms to extinguish criminal proceedings were introduced that prioritize revenue collection over imprisonment. This guide exhaustively reviews the current state of the regime: tax and social security offenses with their new monetary thresholds, aggravating circumstances, criminal liability of legal entities and professionals, pathways to extinguish criminal proceedings, reformed statute of limitations rules, procedures before the tax criminal courts, and the principal defense strategies available to those facing an indictment in this area of law.

Legal framework and the Ley 27.799 reform

Argentina's tax criminal system originated with Ley 24.769, enacted in 1996, which established for the first time an autonomous body of law dedicated exclusively to defining and punishing offenses against the public treasury and social security resources. For more than two decades, that statute served as the backbone of criminal enforcement in tax matters, with punishability thresholds that reflected the monetary values prevailing at the time of its enactment.

In 2017, Ley 27.430 -- the comprehensive tax reform -- absorbed the contents of Ley 24.769 and incorporated them as Title IX of its text, under the heading Regimen Penal Tributario (Tax Criminal Regime). This incorporation did not substantially alter the structure of the offenses or the sentencing ranges, but gave them a new systematic framework within a broader fiscal reform. Since then, any reference to the Regimen Penal Tributario refers to Title IX of Ley 27.430 as subsequently amended.

The truly structural change arrived with Ley 27.799, published in the Boletin Oficial on January 2, 2026, and widely known in the tax community as the "Ley de Inocencia Fiscal" (Tax Innocence Act). This legislation introduced a deep reform built upon four fundamental pillars:

• Massive increase in punishability thresholds: the monetary amounts at which a tax irregularity becomes a criminal offense were raised exponentially. Basic tax evasion, for example, went from a threshold of ARS 1,500,000 to ARS 100,000,000. This leap aims to focus the criminal system exclusively on large-scale schemes.
• Tightening of formal sanctions: in parallel with the elevation of thresholds, the reform intensified the penalties for conduct that does exceed the new amounts, particularly when involving the use of fraudulent invoices (facturas apocrifas), the intervention of intermediary persons (interpuestas personas), or the participation of public officials.
• Reduced statutes of limitations: for registered taxpayers who filed their tax returns (declaraciones juradas) on time, the statute of limitations for criminal proceedings was reduced from five to three years for national taxes, and from ten to five years for social security obligations. This reduction rewards formal compliance and provides greater legal certainty.
• Simplified regime and extinction mechanisms: the law created a mechanism to extinguish criminal proceedings through payment, allowing the accused to terminate the prosecution by paying the full debt plus a surcharge within a short period following the formal indictment.

The overarching purpose of the reform is clear: redirect the criminal system's resources toward large-scale evasion, effectively decriminalizing lesser tax irregularities that previously could trigger criminal proceedings. The legislative message is that minor tax infractions should be resolved administratively, reserving the criminal route for conduct whose volume and sophistication represent significant damage to the public treasury.

Tax offenses

The core of the Regimen Penal Tributario consists of offenses against the national, provincial, or Ciudad Autonoma de Buenos Aires public treasury. Ley 27.799 preserved the basic structure of the criminal types but radically modified the amounts that delineate the boundary between an administrative infraction and a criminal offense.

Basic tax evasion -- Evasion simple (Art. 1)

The basic offense in the tax criminal system punishes with a prison sentence of two to six years any taxpayer who, through misleading declarations, malicious concealment, or any other form of fraud or deception (declaraciones enganosas, ocultaciones maliciosas, o cualquier otro ardid o engano), evades -- in whole or in part -- the payment of taxes owed to the national, provincial, or Buenos Aires City treasury, provided the evaded amount exceeds ARS 100,000,000 per tax per annual period. Before the reform, this threshold stood at just ARS 1,500,000. The difference is staggering: conduct that until December 2025 could constitute a criminal offense fell outside the scope of criminal law as of January 2, 2026.

It is essential to understand that the mere existence of a tax debt does not constitute the offense. A specific subjective element is required: fraud or deception (ardid o engano). The taxpayer must have deployed a concrete scheme designed to conceal the reality of their tax situation. A difference in interpretive criteria regarding the application of a tax rule, a calculation error, or a non-fraudulent omission do not satisfy this requirement, regardless of whether the amount involved exceeds the statutory threshold.

Aggravated tax evasion -- Evasion agravada (Art. 2)

Tax evasion is punished with a prison sentence of three years and six months to nine years when any of the following aggravating circumstances apply:

• The evaded amount exceeds ARS 1,000,000,000 per tax per annual period. Under the prior regime, this threshold was ARS 15,000,000.
• Intermediary persons (interpuestas personas) -- whether individuals or legal entities -- were used to conceal the identity of the true taxpayer, and the evaded amount exceeds ARS 800,000,000.
• Tax benefits (exemptions, deductions, deferrals, refunds, or other preferential treatment) were fraudulently exploited, and the evaded amount exceeds ARS 800,000,000.
• Fraudulent invoices or documentation (facturas o documentacion apocrifas) were used, whether materially or ideologically false. In this case, no additional minimum amount is required: the mere use of false documents to support the evasion activates the aggravating factor, provided the basic threshold under Article 1 is met.

Misappropriation of subsidies -- Aprovechamiento indebido de subsidios (Art. 3)

A prison sentence of three years and six months to nine years is imposed on anyone who, through misleading declarations or malicious concealment, unduly obtains refunds, recoveries, reimbursements, subsidies, or any other national, provincial, or Buenos Aires City tax benefit, provided the fraudulently obtained amount exceeds ARS 400,000,000 in an annual period. This offense targets those who exploit the State's fiscal incentive system to obtain public funds to which they are not entitled.

Fraudulent procurement of tax benefits -- Obtencion fraudulenta de beneficios fiscales (Art. 4)

A prison sentence of one to six years is imposed on anyone who, through misleading declarations, malicious concealment, or any other form of deception, obtains recognition, certification, or authorization to enjoy a tax benefit to which they have no right. Unlike the preceding article, this offense does not require that the benefit was actually received: it is sufficient that the recognition or authorization was fraudulently obtained. The harm lies in the manipulation of the benefit system, regardless of whether the taxpayer actually collected any funds.

Misappropriation of withheld taxes -- Apropiacion indebida de tributos (Art. 6)

This offense punishes with a prison sentence of two to six years any withholding or collection agent (agente de retencion o de percepcion) who, having withheld or collected taxes on behalf of the treasury, fails to deposit them -- in whole or in part -- within ten business days following the payment deadline, provided the withheld or collected amount not deposited exceeds ARS 10,000,000 per month. The prior threshold was just ARS 40,000. The reform multiplied this amount by 250, removing the vast majority of withholding and collection agent defaults from the criminal sphere.

The gravity of this conduct resides in the fact that the withholding or collection agent acts as an intermediary between the taxpayer and the treasury: the funds they withhold or collect do not belong to them but constitute public resources they are obligated to deposit. Failure to remit them to the treasury constitutes an appropriation of public funds.

Offenses against social security

The Regimen Penal Tributario contains a specific chapter devoted to offenses affecting social security resources. These criminal types protect the funds earmarked for pensions, retirement benefits, family allowances, obras sociales (union-run health insurance funds), and other social security benefits. The Ley 27.799 reform also significantly impacted their thresholds.

Basic social security evasion -- Evasion simple previsional (Art. 7)

A prison sentence of two to six years is imposed on any taxpayer who, through misleading declarations, malicious concealment, or any other form of fraud or deception, evades -- in whole or in part -- the payment of contributions (aportes o contribuciones) to the social security system, provided the evaded amount exceeds ARS 80,000,000 per monthly period. The monthly measurement (rather than annual, as with national taxes) reflects the periodic nature of social security obligations, which are assessed on a month-by-month basis.

Aggravated social security evasion -- Evasion agravada previsional (Art. 8)

Social security evasion is aggravated and punished with a prison sentence of three years and six months to nine years when the evaded amount exceeds ARS 400,000,000 per monthly period, or when intermediary persons (interpuestas personas) were used to conceal the identity of the true obligor and the evaded amount exceeds ARS 160,000,000 per month.

Misappropriation of social security resources -- Apropiacion indebida de recursos de la seguridad social (Art. 9)

A prison sentence of two to six years is imposed on any employer who, having withheld contributions from their employees destined for the social security system, fails to deposit them -- in whole or in part -- within ten business days following the payment deadline, provided the withheld amount not deposited exceeds ARS 3,500,000 per month. Before the reform, this threshold was ARS 20,000 -- an amount that captured a vast number of employers. The elevation of the threshold to ARS 3,500,000 means that only defaults of considerable magnitude now trigger criminal liability.

Common fiscal offenses

In addition to evasion and misappropriation offenses, the Regimen Penal Tributario defines a series of conducts that undermine the integrity of the fiscal system without being directly tied to an evaded amount. These offenses protect the functioning of the revenue collection apparatus, the veracity of records, and the State's ability to collect tax debts.

Fraudulent fiscal insolvency -- Insolvencia fiscal fraudulenta (Art. 10)

A prison sentence of two to six years is imposed on anyone who intentionally causes or aggravates their own or another's insolvency, for the purpose of totally or partially frustrating the fulfillment of tax or social security obligations. The typical conduct consists of divesting or artificially dissolving assets to become uncollectable, once the obligor is already aware that administrative or judicial proceedings aimed at determining or collecting the debt have been initiated. This is a result-based offense: it requires that the insolvency actually occurs or is aggravated as a consequence of the scheme.

Fraudulent simulation of payment -- Simulacion dolosa de pago (Art. 11)

A prison sentence of two to six years is imposed on anyone who simulates the fulfillment of tax or social security obligations through false records or documents (registraciones o comprobantes falsos). This offense is committed when the taxpayer creates the appearance of having paid a tax that was in fact never paid, using fraudulent documentation to generate an illusion of compliance. The distinction from evasion is that here the deception is not directed at reducing the tax base, but rather at simulating that the obligation has already been satisfied.

Willful alteration of records -- Alteracion dolosa de registros (Art. 12)

A prison sentence of two to six years is imposed on anyone who removes, suppresses, conceals, adulterates, destroys, or renders unusable any records or documentary or digital supports belonging to the tax authority, over which they have a duty of custody or preservation. This offense protects the integrity of tax information held by taxpayers that is indispensable for the tax administration to carry out its auditing and control functions.

Tampering with information systems -- Alteracion de sistemas informaticos (Art. 12 bis)

A prison sentence of one to four years is imposed on anyone who modifies, alters, or manipulates software or information systems provided, authorized, or certified by the tax authority, in a manner that causes or may cause harm to the treasury. This offense was introduced to address modern forms of tax fraud involving the adulteration of electronic invoicing, assessment, or tax return systems made available to taxpayers by the tax administration.

Aggravating factors and liability

The tax criminal regime provides a system of aggravating factors and liability rules that expand the universe of punishable persons beyond the direct taxpayer, and that intensify the criminal response when certain circumstances are present.

Public officials -- Funcionarios publicos (Art. 13)

When any of the offenses defined in the regime is committed by a public official or employee (funcionario o empleado publico) in the exercise of or in connection with their duties, the penalties are increased by one third of both the minimum and maximum. In addition, a sentence of permanent disqualification from public office (inhabilitacion perpetua para ejercer la funcion publica) is imposed. This aggravating factor recognizes that an official who participates in a tax offense betrays the trust the State places in them to safeguard public resources.

Legal entities -- Personas juridicas (Art. 14)

When the entity liable for tax payments or social security contributions is a legal entity (persona juridica), criminal liability extends to the directors, managers, statutory auditors (sindicos), members of the supervisory board (consejo de vigilancia), administrators, agents, and representatives who participated in the punishable act. This is personal liability: the individuals who lead or manage the entity face imprisonment in their own right.

In addition to the personal liability of its officers, the legal entity itself may be subject to a catalogue of ancillary sanctions of significant severity:

• Fines of two to ten times the amount of the verified debt.
• Total or partial suspension of activities for up to five years.
• Exclusion from contracting with the national, provincial, or municipal government.
• Cancellation of legal personality (personeria juridica) in the most serious cases.
• Loss or suspension of government benefits the entity was receiving.
• Publication of an extract of the conviction at the legal entity's expense.

Professionals (Art. 15)

Professionals who, in the course of their practice, certify balance sheets, financial statements, or tax or social security documentation that prove to be fraudulent may be sanctioned with a special disqualification for twice the duration of the sentence (inhabilitacion especial por el doble del tiempo de la condena). This provision is aimed particularly at public accountants (contadores publicos) and other economic science professionals whose certifying function lends an appearance of veracity to tax documentation.

Participation of multiple persons and fiscal criminal conspiracy

When two or more persons have participated in the commission of tax offenses, the minimum sentence is raised to four years' imprisonment. When the participation takes the form of a criminal association of three or more persons organized to commit tax offenses on a habitual basis (asociacion ilicita fiscal), the sentence is three years and six months to ten years' imprisonment, and for those who exercise leadership or organizational roles within such an association, the minimum rises to five years.

Extinction of criminal proceedings and regularization

One of the most significant aspects of the tax criminal regime -- and one most profoundly transformed by the Ley 27.799 reform -- is the system of mechanisms that allow criminal proceedings to be extinguished before a judgment is rendered. These instruments reflect a legislative policy that prioritizes the recovery of funds for the treasury over the imposition of criminal punishment.

Voluntary self-correction -- Regularizacion espontanea (Art. 16)

Article 16 of the Regimen Penal Tributario provides that the taxpayer is exempted from criminal liability if they voluntarily regularize their tax situation by filing or amending the corresponding tax returns (declaraciones juradas) and paying the resulting debt. The central condition of voluntariness is that the regularization must occur before a criminal complaint has been filed against the taxpayer, or before any inspection or audit related to the non-compliance has been initiated. If the tax authority has already commenced any audit or control procedure concerning the obligation in question, the opportunity for voluntary self-correction is foreclosed.

This mechanism requires no additional surcharge and has no usage limit. It is the most advantageous path for the taxpayer, but it demands action before the State has taken notice of or initiated any activity regarding the irregularity.

Extinction through payment (Ley 27.799)

Ley 27.799 introduced a novel mechanism for extinguishing criminal proceedings for those already under investigation or indictment. Criminal proceedings are extinguished if the accused pays the full tax or social security debt, plus corresponding interest, plus a 50% surcharge, within thirty days following the formal criminal indictment (imputacion penal formal).

This benefit is subject to two essential limitations. The first is temporal: the payment must be made in full within thirty days. Once that period expires, the mechanism is no longer available. The second is single use: each taxpayer may only benefit from this extinction mechanism once. If the same individual is subsequently indicted for another tax criminal offense, they cannot avail themselves of this mechanism again.

The existence of these two pathways -- voluntary self-correction and extinction through payment -- reveals the system's orientation: the State prefers to collect rather than convict. If the taxpayer pays everything owed plus a significant surcharge, the criminal system withdraws. This logic does not imply impunity, but rather a criminal policy choice that seeks to maximize revenue and reserve judicial resources for those who offer no reparation whatsoever.

Statute of limitations: changes under Ley 27.799

The statute of limitations regime for tax criminal proceedings was another central axis of the reform. Ley 27.799 introduced significantly shorter limitation periods for taxpayers who demonstrate formal compliance, creating a differentiated system based on the taxpayer's fiscal conduct.

National taxes

For registered taxpayers who filed their tax returns within the statutory deadlines, the statute of limitations for criminal proceedings is reduced from five to three years. This reduction constitutes a powerful incentive for formal compliance: a taxpayer who files returns on time, even if they contain errors or inaccuracies, benefits from a considerably shorter limitation period.

Social security

For social security obligations, the statute of limitations is reduced from ten to five years for taxpayers who meet the same requirements of registration and timely filing of tax returns.

Conditions and exceptions

The benefit of the reduced limitation period is subject to a fundamental condition: that there be no "significant discrepancy" (discrepancia significativa) between what was declared and the actual tax situation. The law defines a significant discrepancy as one exceeding 15% of the declared amount or exceeding the punishability threshold of Article 1 (ARS 100,000,000). If the administrative assessment (determinacion de oficio) or subsequent audit reveals a difference exceeding either of these parameters, the taxpayer loses the benefit of the shortened limitation period and becomes subject to the ordinary time limits.

There is also an absolute exclusion: if it is found that the taxpayer used fraudulent invoices or documents (facturas o comprobantes apocrifos), the reduced limitation period does not apply, regardless of the discrepancy amount. The use of false documentation is an indicator of bad faith that automatically eliminates the benefit.

These shorter limitation periods provide greater legal certainty for compliant taxpayers. A registered taxpayer who filed returns on time and whose tax situation does not present significant discrepancies knows that, once three years have elapsed from the commission of the alleged tax offense, criminal proceedings will be time-barred. This predictability is especially valuable in an area where regulatory uncertainty and the complexity of the tax system can create situations of involuntary criminal exposure.

Tax criminal procedure

Tax criminal procedure has distinctive features that set it apart from ordinary criminal proceedings. The intervention of the tax administration as a key component of the procedural mechanism, specific jurisdiction rules, and the relationship between administrative proceedings and the criminal process create a system with its own dynamics.

Criminal complaint -- Denuncia penal (Art. 18)

The initiation of criminal proceedings in tax matters is subject to a mandatory prior requirement: the tax administration -- currently ARCA (Agencia de Recaudacion y Control Aduanero, the Revenue and Customs Control Agency) -- must complete the administrative tax assessment (determinacion de oficio) of the tax debt or issue the corresponding administrative ruling before filing the criminal complaint with the courts. This requirement ensures that criminal proceedings are not initiated on the basis of assumptions or preliminary estimates, but rather on a formal determination of the amount allegedly evaded.

When the criminal complaint originates from a third party rather than the tax administration itself, ARCA has a period of one hundred and twenty business days to issue the administrative assessment. This timeframe aims to prevent complaints from private parties from generating criminal proceedings without the technical backing of the competent tax authority.

Relationship between administrative and criminal proceedings (Art. 20)

The filing of the criminal complaint does not suspend or impede the processing of administrative proceedings aimed at collecting the tax debt. The treasury may continue with the assessment, interest calculations, issuance of debt instruments, and fiscal enforcement proceedings simultaneously with the criminal process. This rule responds to the revenue-collection purpose of the system: criminal prosecution cannot become an obstacle to the State's collection of what it is owed.

However, administrative sanctions (fines, closures) are suspended until the criminal judgment is rendered. This suspension avoids simultaneous double punishment and allows the outcome of the criminal proceeding to guide the decision on administrative sanctions.

Urgent measures (Art. 21)

ARCA may request the criminal court to order urgent measures aimed at obtaining and preserving evidence of the offense. These measures may include search warrants, seizure of documents, wiretapping, and any other procedure necessary to preserve evidentiary elements before they can be destroyed, altered, or concealed.

Jurisdiction -- Competencia (Art. 22)

The distribution of judicial jurisdiction is organized according to the nature of the tax and the taxpayer's location:

• National taxes, taxpayer domiciled in the Ciudad Autonoma de Buenos Aires: jurisdiction lies with the Justicia Nacional en lo Penal Tributario (National Tax Criminal Court), a specialized court with judges and prosecutors dedicated exclusively to this subject matter.
• National taxes, taxpayer domiciled elsewhere in the country: jurisdiction lies with the federal courts (juzgados federales) of the place where the offense was committed.
• Local taxes (provincial or Ciudad Autonoma de Buenos Aires): jurisdiction lies with the provincial or local courts, as applicable.

Private prosecutor -- Querellante particular (Art. 23)

ARCA is authorized to participate in the criminal proceedings as a private prosecutor (querellante particular). This allows the revenue agency to take an active role at every stage of the process, submit evidence, present arguments, and appeal rulings it considers unfavorable. Participation as a private prosecutor strengthens the treasury's position in the criminal litigation and provides it with procedural tools beyond those available to a mere complainant.

Defense strategies

Mounting a defense against a tax criminal indictment requires a multidimensional approach that combines technical tax analysis with criminal procedural strategy. The Ley 27.799 reform opened new lines of defense that previously did not exist and strengthened others that were already available.

Threshold analysis

The first line of defense in any post-reform tax criminal case is the analysis of the amounts involved. With the exponential increase in punishability thresholds, a significant number of pending criminal cases fell below the new amounts. If the alleged evasion does not reach ARS 100,000,000 for the basic offense, or ARS 1,000,000,000 for the aggravated form, the conduct is no longer a crime. This analysis must be performed with precision, tax by tax and period by period, to verify whether the specific case exceeds the new threshold.

Voluntary self-correction

If the taxpayer has not yet been the subject of any inspection, audit, or complaint, voluntary self-correction under Article 16 (regularizacion espontanea) offers complete exemption from criminal liability. The key is to act before any state action is set in motion. For this strategy to succeed, it is essential to have up-to-date information about the status of audits and ongoing administrative proceedings.

Extinction through payment with surcharge

If the criminal indictment has already been issued, the taxpayer has thirty days to avail themselves of the extinction-through-payment mechanism. The decision to pay the full debt plus interest plus the 50% surcharge must be made swiftly, weighing whether the financial cost of payment is preferable to the risk of a criminal conviction. This benefit may only be used once, which necessitates careful consideration of its use.

Challenging the administrative assessment

Tax criminal proceedings are built upon the administrative determination of the debt (determinacion de oficio). If that determination is flawed -- errors in quantification, procedural defects, lack of adequate reasoning, incorrect application of tax rules -- the defense must challenge it. A successful challenge to the administrative assessment weakens the factual basis of the criminal case, since if the determined amount is incorrect, the actual evasion may not exceed the punishability threshold.

Statute of limitations under the new time limits

The reduction of limitation periods for compliant taxpayers opens an especially relevant defense line in cases that have been pending for some time. If the accused was registered and filed their tax returns on time, and there is no significant discrepancy or use of fraudulent invoices, the three-year limitation period may have already elapsed, which would extinguish the criminal proceedings by prescription.

Constitutional challenges

Tax criminal defense may also proceed on constitutional grounds. Arguments based on proportionality of punishment, the prohibition of double jeopardy (ne bis in idem) when there is overlap between administrative penalty proceedings and the criminal process, and the guarantee of the right of defense when the taxpayer did not have adequate access to the information used against them, constitute defense tools of constitutional rank.

Foreign nationals, investors, and the international dimension

For foreign nationals with economic activities in Argentina or for international investors, tax criminal analysis takes on an additional dimension. The interaction between tax residence, criminal liability, and the possibility of extradition for tax offenses is an aspect that must be carefully evaluated. Certain bilateral extradition treaties -- such as the one between Argentina and Russia -- expressly include tax offenses within the catalogue of extraditable crimes. This means that a person located outside Argentine territory could be sought to face tax criminal proceedings. Preventive legal advice in these cases is essential to avoid a situation where deficient tax planning ends up generating criminal exposure with cross-border consequences.

Last updated: March 2026. Applicable legislation: Ley 24.769 (original Regimen Penal Tributario), Ley 27.430 (current Regimen Penal Tributario, Title IX), Ley 27.799 (2026 reform, "Ley de Inocencia Fiscal"), Decreto 93/2026, RG ARCA 5820/2026.