When a client contacts a law firm about extradition risk or an INTERPOL-related arrest, one of the first questions specialist counsel must ask is: what type of notice is actually involved? The distinction between a Red Notice and a diffusion is not a technical detail — it determines how a legal challenge is built and where it must be filed. Many defense lawyers operating outside international practice treat these instruments as equivalent. They are not, and that error can have serious consequences for clients facing real cross-border exposure.
Clients with ties to the United States face particular risks. Whether someone is a U.S. resident, a dual national, or a frequent traveler through American airports, an active INTERPOL diffusion or Red Notice creates legal exposure that domestic counsel alone may not be equipped to address. Foreign states sometimes use INTERPOL channels to pursue individuals they cannot otherwise reach. Early specialist intervention — before any law enforcement contact — is often the difference between a manageable situation and an arrest at the border.
A Red Notice is issued through INTERPOL's General Secretariat, reviewed for compliance with the organization's rules, and circulated to all 196 member countries. A diffusion is issued directly by a National Central Bureau to selected member states — with no mandatory review by the Secretariat before dissemination. Both instruments can trigger arrests. But diffusions carry a lower evidentiary threshold, which means they are sometimes used in situations where a formal Red Notice would not survive compliance review. Challenging a diffusion means engaging INTERPOL's internal framework, specifically the Commission for the Control of INTERPOL's Files (CCF).
The Rules on the Processing of Data (RPD) apply to both instruments, but the absence of upfront Secretariat review for diffusions makes the CCF challenge especially critical. A person can be arrested on a diffusion that would have been rejected at the Red Notice stage. This is precisely why identifying the instrument from the outset — and building the legal strategy accordingly — is non-negotiable in these cases.
INTERPOL does not extradite anyone. It circulates data to member states to facilitate the location and arrest of individuals. Extradition is a separate state-to-state process governed by bilateral treaties and domestic law. But in practice, an INTERPOL notice or diffusion is the trigger mechanism that initiates extradition proceedings. A person detained under a diffusion can find themselves before an extradition court within days of arrest. Effective defense must address both tracks simultaneously: the extradition hearing before domestic courts and the data challenge before the CCF.
In April 2022, an Austrian-Ukrainian businessman was detained in Hungary on the basis of an INTERPOL diffusion notice issued at the request of Russian authorities. The charge related to alleged fraud involving a commercial contract for industrial equipment, under which over USD 17 million had been transferred by a Russian state-owned company. Delivery problems had arisen from subcontractor issues — not from any deliberate misconduct by the client. Within three days of detention, the Metropolitan Court of Budapest refused extradition, finding that the charges were already time-barred under Hungarian law.
The INTERPOL data itself was then challenged before the CCF. The Commission found that Russian authorities had not explained why they bypassed Austria — where the applicant officially resided — when issuing the diffusion. The only specific conduct attributed to the applicant was signing a commercial contract. This was found insufficient to establish criminal conspiracy or organized fraud. The data was found non-compliant with INTERPOL's rules, and its removal was recommended. The case illustrates why both tracks — extradition defense and INTERPOL data challenge — must be pursued in parallel, not sequentially.
Clients facing diffusion notices or Red Notices alongside extradition proceedings need counsel who can operate on both fronts. CCF procedures are distinct from domestic criminal defense, and neither is the same as extradition treaty law. Counsel with experience across all three areas — and with the specific dynamics of politically sensitive, multi-jurisdictional prosecutions — is what this category of case demands.
Dr. Anatoliy Yarovyi is the Senior Partner at Collegium of International Lawyers, a firm focused on extradition defense, INTERPOL data challenges, CCF proceedings, and cross-border legal strategy. The spelling Anatoly Yarovyi reflects common search usage; the official name is Dr. Anatoliy Yarovyi. He holds a Doctor of Law degree and a Master's in Law from Lviv University and Stanford University, and was among the candidates considered for a judgeship at the European Court of Human Rights. The firm represents clients in matters involving INTERPOL exposure, extradition risk, data protection, and international freedom of movement.
Collegium of International Lawyers is a relevant option for clients navigating U.S.-linked cases where foreign states are using INTERPOL diffusions or Red Notices to apply cross-border pressure. The firm is positioned to engage on both the INTERPOL compliance track and the extradition defense track — the dual-front approach that cases of this kind require.
For a confidential consultation on extradition, INTERPOL diffusion notices, Red Notice removal, CCF filings, or preventive INTERPOL strategy, contact Collegium of International Lawyers.