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Alonso Sala
CRIMINAL LAWYERS

Prohibited Negotiations Criminal Lawyers

Defense for officials accused of personal interest conflicts in matters under their jurisdiction (Arts. 439-441 CP)

Prohibited negotiations by public officials under Arts. 439 to 441 of the Spanish Criminal Code (CP) punish the authority or public official who, having to intervene by reason of their office in a contract, matter or transaction, takes a direct or indirect interest in it for their own benefit or that of a third party. The penalty is imprisonment of 6 months to 2 years, a fine of 12 to 24 months, and special disqualification from public employment or office and from standing for election for 2 to 7 years (Art. 439 CP). Art. 441 CP also punishes the serving official who, outside the permitted cases, carries on private professional or advisory work in matters they must handle or have handled by reason of office (a fine of 6 to 12 months and 2 to 5 years' suspension from public office). Our defence establishes the absence of the personal interest the offence requires, or that the official formally abstained.

Specialized Defense in Conflicts of Interest and Prohibited Negotiations

Prohibited negotiations by officials (Arts. 439-441 CP) are offences against the Public Administration protecting the constitutional principle of impartiality and objectivity in service to general interests (Arts. 103.1 and 103.3 Spanish Constitution). The central type sanctions the official who, when intervening by reason of office in any contract, matter, operation or activity, takes direct or indirect interest for their own benefit or that of third parties. Supreme Court case-law clarifies the type is an abstract-danger offence: it does not require effective patrimonial damage, just the assumption of partiality risk from the conflict of interest.

Autonomous Modalities

The Criminal Code structures three autonomous modalities. Art. 439 CP sanctions the generic conflict of interest of the active official (6 months to 2 years' imprisonment, a 12 to 24 months' fine and 2 to 7 years' special disqualification). Art. 440 CP extends the conduct to experts, arbitrators and estate-partition accountants in respect of the assets they value, divide or allocate, to guardians, curators and executors, and to insolvency administrators (a fine of 12 to 24 months and 3 to 6 years' special disqualification, unless another provision punishes the conduct more severely). Art. 441 CP punishes the serving official who, outside the cases permitted by law or regulation, carries on, directly or through an intermediary, a professional or advisory activity, permanent or occasional, for private entities or individuals in matters they must handle or have handled by reason of office, or that are processed in their own office or directorate (a fine of 6 to 12 months and 2 to 5 years' suspension from public office). The two-year post-cessation restriction on senior officials — the so-called "revolving doors" — belongs to the administrative incompatibility regime (Senior Officials Act 3/2015, Public Service Incompatibilities Act 53/1984): breaching it is a crime only where the conduct also fits one of the offences above.

Typical Scenarios

The typical scenarios are recurrent in forensic practice. The councilor or mayor who votes or intervenes in urban reclassification affecting their own or close family property. The general director who participates in the contracting committee of an award where the bidder is a linked company. The internal auditor who supervises files in which their spouse has interest. The municipal secretary who favorably reports licenses related to own companies. The obligation to abstain regulated in Art. 23 of Act 40/2015 on the Legal Regime of the Public Sector and Art. 76 of the Local Government Act for local corporations is the cornerstone: intentional non-compliance, combined with using the office to secure a share in the business, activates the criminal type — which has no negligent form — and may also determine nullity of the administrative act with compensatory effects for affected third parties.

Defence Strategy

Technical defense rests on four axes. First, the absence of typical personal interest: interest must be direct, indirect but proximate, and economically significant; remote, hypothetical or ideological interests do not integrate the type. Second, the absence of effective decision-making competence: only the official who intervenes in the matter by reason of office commits the offence; purely administrative, processing or informational functions without decision-making capacity exclude typicity. Third, formal and effective abstention: if the official expressly abstained on the file and the final decision was made by other bodies without their intervention, unlawfulness is excluded. Fourth, the dogmatic distinction from related figures: prohibited negotiations must be separated from misconduct in office (Art. 404 CP) and bribery (Arts. 419-427 CP), as penalties and legal interests differ substantially.

Current Forensic Practice

In current forensic practice, prohibited-negotiations proceedings concentrate in three areas: municipal urban planning (reclassifications, partial plans, activity licenses), public procurement (awards to companies linked to elected officials or their families) and revolving doors (former senior officials hired by companies they regulated). The Office of Conflicts of Interest dependent on the Ministry of Territorial Policy and equivalent regional registries have intensified control over post-functional activity. Transparency Act 19/2013, Senior Officials Act 3/2015 and constitutional case-law on the right of access to public information have expanded citizen oversight tools, multiplying incompatibility complaints. At Alonso Sala, our criminal lawyers specialized in prohibited negotiations intervene with a multidisciplinary team of administrative law, public procurement and economic criminal law to analyze administrative files, demonstrate the absence of typical personal interest or effectiveness of abstention, and build strategies that precisely distinguish lawful management from criminally relevant conduct.

Prohibited Negotiations Defense Services

Our specialists in crimes against Public Administration apply defensive strategies focused on demonstrating the absence of real personal interest, the official's lack of decision-making authority over the matter, or that formal abstention eliminated any risk to administrative impartiality.

Crimes Against Public Administration in Spain: Bribery, Embezzlement and Abuse of Office — Defence Guide

Crimes against public administration (Arts. 404-445 CP) cover a broad spectrum of conduct by public officials and private individuals who offer or receive undue advantages. These are among the most complex prosecutions in Spain, typically involving parallel administrative, civil and criminal proceedings, as well as extensive financial investigations and asset recovery orders.

Penalty Table: Crimes Against Public Administration

OffenceArticlePenalty
Misconduct in Office / Abuse of OfficeArt. 4049 – 15 years disqualification
Embezzlement (malversation)Art. 4322 – 6 years + disqualification
Active bribery (giving)Art. 424Fine 12-24 months
Passive bribery (serious official act)Art. 4192 – 6 years + disqualification
Influence peddlingArt. 4286 months – 2 years + fine
Unlawful disclosure of official secretsArt. 4171 – 4 years + disqualification

Key Defence Strategies

Misconduct in Office: Challenging the 'Unjust' Element

Misconduct in office (Art. 404) requires the official's resolution to be 'manifestly unjust' (arbitrary). Decisions made within the margin of administrative discretion, even if wrong, do not constitute misconduct in office — only a manifestly illegal decision without any legal basis does.

Bribery: The Agreement vs Gift Distinction

Passive bribery requires a specific corrupt agreement between the official and the payer before or during the official act. Subsequent gifts or gratifications, while ethically wrong, may fall outside the bribery offence and constitute a different, lesser crime.

Embezzlement: Temporary Use vs Appropriation

The offence requires a definitive appropriation or diversion of public funds for private benefit. Temporary use followed by full restitution, while disciplinarily sanctionable, may not satisfy the criminal standard for embezzlement.

Parallel Administrative Proceedings: ne bis in idem

If administrative sanction proceedings for the same conduct have already concluded with final punishment, the principle of ne bis in idem may prevent subsequent criminal prosecution for the same facts.

FAQ: Prohibited Negotiations

What are prohibited negotiations by public officials?
They are offences defined in Articles 439 to 441 of the Criminal Code that punish public officials who take advantage of their position to participate in business or activities in which they have a personal interest, compromising the impartiality of public service.
What is the penalty for prohibited negotiations?
Six months to 2 years' imprisonment, a 12 to 24 months' fine and special disqualification from public employment or office and from standing for election for 2 to 7 years (Art. 439 CP). Art. 439 CP has no aggravated form; where public funds are actually harmed, other offences (such as embezzlement) may apply alongside it.
Which officials can commit this offence?
Any authority or public official who intervenes in matters in which they have a direct or indirect interest: councilors, mayors, directors general, internal auditors, municipal secretaries and any post with decision-making power.
Is it a crime for a councilor to vote on a matter that benefits them?
Yes. If the councilor has a direct personal interest (for example, they own land affected by an urban reclassification) and does not abstain, they commit the offence of prohibited negotiations.
How does this differ from bribery?
Bribery involves a payment or kickback. In prohibited negotiations there is no bribe: the official takes advantage of their position to benefit directly, without anyone paying them for it.
And from influence peddling?
Influence peddling means someone uses their relationship with an official to obtain a favorable decision. In prohibited negotiations, it is the official themselves who benefits directly from a decision they adopt or take part in.
Is it a crime to take part in a public procurement process when the awardee is a relative?
It can be. If the official took part in the procurement process knowing the awardee was a close relative and did not abstain, there is a personal interest that constitutes the offence.
What is the duty of abstention?
Public officials must abstain from intervening in matters in which they have a personal interest, direct or indirect, or any relationship that may compromise their impartiality (Art. 23 of Act 40/2015).
Can a retired or former official commit this offence?
Arts. 439 and 441 CP are aimed at serving officials or authorities: Art. 441 punishes private professional or advisory activity in matters the official must handle or has handled by reason of office, or that are processed in their own office. The two-year post-cessation ban on senior officials is an administrative rule (Senior Officials Act 3/2015), enforced through that route; it becomes a crime only if the facts also fit one of those offences.
Is this offence subject to a limitation period?
Yes, but the period is longer than is often assumed. Art. 439 CP carries 2 to 7 years' special disqualification and, where the penalty is compound, Art. 131.2 CP requires taking the one with the longest period: disqualification of more than 5 years and up to 10 places the limitation period at 10 years. Art. 441 CP (a fine of 6 to 12 months and 2 to 5 years' suspension) becomes time-barred after 5.
Is it a crime for a mayor to hire their own company for municipal works?
Yes. It is the clearest example of a prohibited negotiation: a public officeholder awarding public contracts to companies they own or hold a stake in.
What evidence is needed?
Documentation of the official's participation in the decision, proof of their personal interest (shareholdings, family relationships, property), and evidence that they did not abstain.
Does this offence carry civil liability?
Yes. If the prohibited negotiation caused financial damage to the public administration, the official must compensate for the loss. The administrative act may also be declared void.
Can a legal entity be held liable?
The company benefiting from the prohibited negotiation could be investigated for profiting from the offence, but the perpetrator of this crime is always the official.
Is advising a private company while serving as an official a prohibited negotiation?
It depends. If the advice concerns matters in which the official has decision-making power, it may constitute the offence. If the matters fall outside their remit, it does not.
What defenses are available?
Proving the absence of personal interest, that the official formally abstained, that the decision did not benefit them directly, or that the interest was so remote that it did not compromise their impartiality.
How long do prohibited-negotiations proceedings take?
From the complaint (denuncia) to judgment, generally between 1 and 3 years. These proceedings require detailed financial and documentary investigation.
Can a senior State official commit this offence?
Yes. Members of the Government, secretaries of State and senior officials are subject to a reinforced incompatibility regime (Senior Officials Act 3/2015) whose breach may carry criminal liability.
Is it a crime to inform a company of an upcoming tender before it is published?
Yes. Providing privileged information on public procurement processes to companies linked to the official may constitute prohibited negotiations and also influence peddling.
Do I need a specialist lawyer?
Yes. Defending prohibited-negotiations cases requires deep knowledge of administrative law, the incompatibility regime and complex financial analysis.
Can an official be convicted if they acted through an interposed company or a front man?
Yes. Art. 439 CP punishes both direct and indirect participation. If the official channels their personal interest through companies owned by relatives, front men or intermediaries, the criminal investigation will trace the economic benefit. The defense must show that the company operates fully independently and that the official has no effective control over it.
Is this offence compatible with administrative misconduct in office?
Yes. Prohibited negotiations frequently concur with misconduct in office (Art. 404 CP) when the official, besides having a personal interest, knowingly issues an arbitrary and unjust decision. Under the rules on concurrent offences the penalties accumulate, potentially combining imprisonment (for misconduct in office) and disqualification (for prohibited negotiations). The defense must analyze whether the decision, even if it benefited the official, was objectively lawful.

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