INTERPOL Blue Notice: what it is and why it matters

A Blue Notice is a request for additional information about a person's identity, location or activities in connection with a criminal investigation. Unlike a Red Notice it contains no request for detention and is not a basis for arrest.

It is not a 'soft version' of a Red Notice but a tool with a different purpose: the requesting country is still gathering material. That is why a Blue Notice often turns out to be a preceding stage — if the information gathered supports the requesting state's position, a Red Notice request may follow.

The defining feature of a Blue Notice is its invisibility. The person is not detained, is told nothing, and such notices are not published in INTERPOL's public list. Outwardly nothing happens.

Consequences follow nonetheless. Border services see a match and record the crossing, passing the information to the requesting state. Banking compliance screening may respond by refusing service. Visa authorities receive a signal when examining an application.

In other words, a person may go months without knowing that data on their movements is being systematically collected, and discover it only once a Red Notice has been issued.

The public INTERPOL list is useless here: it contains only those Red Notices whose disclosure the requesting country has authorised. Blue Notices are never made public at all.

The only route is an official access request to the Commission for the Control of Files (CCF). The Commission confirms whether INTERPOL processes information about you and, within set limits, discloses its nature. This covers all notice types, not just Red Notices.

Indirect signs exist too: unexplained bank refusals, extra questions at the border, stalled visa procedures. Individually none of these proves anything, but several together are a reason to check.

A Blue Notice is challenged on the same grounds as a Red one. INTERPOL's Constitution forbids the organisation from any activity of a political, military, religious or racial character, and its data rules require information to be accurate, relevant and consistent with human rights.

Where a notice rests on prosecution that fails these requirements, a deletion request goes to the CCF. The practical case for acting at the Blue Notice stage is that it is cheaper and faster than challenging a Red Notice already issued — and it can prevent one from appearing.