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Active alertsThe list of current BIOP alerts: how to read it, filter it and respond when an object is recognized.›
Alert archivesBIOP alerts closed since 2012: a useful memory for researchers, buyers and authorities.›
Subscribe to alertsReceive the BIOP alerts of your choice free of charge by e-mail: types, frequency, changes and unsubscription.›
An alert network for cultural property

When a work is stolen or lost, the speed of information determines the chances of recovering it. BIOP alerts circulate this report to customs, police and accredited auction houses.
This section brings together the active alerts, the archives and the subscription page. For the database of works itself, see the Protection section.
BIOP alerts in figures
Source: OIMAP General Secretariat.
Three pages



What an alert is for
A BIOP alert is a short, structured message that describes a work, the circumstances of its disappearance and the person to contact. It is sent to a network of qualified recipients, who can thus recognize the object if it is presented to them.
An alert never names a culprit. It informs; it does not judge: any legal action is for the competent national authorities, which the Organization merely supports.
Who receives the alerts
Recipients are customs services, police units specialized in cultural property, accredited auction houses and institutional partners. Each receives the alerts that concern its field of action.
The general public may also subscribe. This voluntary choice widens vigilance, notably among collectors, gallery owners and restorers, who are often the first to see a doubtful object pass through.
The four types of alert
Four categories are published: theft, loss, suspicious work and fake. The first two concern identified objects, reported by their owner or custodian. The other two concern objects encountered on the market.
This distinction helps recipients adapt their response: a theft alert calls for an immediate check, while a fake alert leads rather to vigilance regarding a family of objects.
From report to distribution
The report is submitted through an online form or by the authorities. It is verified by the Protection Directorate, which checks the consistency of the documents and the absence of duplicates in the database. Processing takes twenty-four hours as a rule.
Once validated, the alert is published in the list of active alerts and sent by e-mail to the subscribers concerned. It then remains available in the archives.
The three pages of the section
| Page | Content | For whom |
|---|---|---|
| Active alerts | List of current alerts, filterable | General public |
| Alert archives | Closed, recovered or withdrawn alerts | Researchers, buyers |
| Subscribe to alerts | Free registration by e-mail | Professionals, collectors |
| Report | Filing of a theft or loss | Owners, authorities |
Milestones
- Launch of the BIOP
The database of stolen works goes online.
- E-mail alerts
First subscription free for professionals (indicative).
- Digital alerts
Alerts are linked to digital certificates (indicative).
- 23 operations
Alerts feed into coordinated operations.



Act quickly
Alert or complaint

BIOP alert
Network information- Rapid distribution
- Free
- No legal effect of its own
Complements the complaint.

National complaint
Judicial act- Filed with the police
- Opens an investigation
- Condition of many insurance policies
Remains essential.
Receiving and using an alert
- Subscribe
Choose the alert types.
- Read the message
Identify the work and its distinguishing features.
- Compare
Match against the objects in your possession.
- Report
Contact the Protection Directorate if the object is recognized.
Before buying a work
A subscribing gallery owner

« I receive about one alert a week; in two minutes, I know whether the object I am being offered is concerned. »
Glossary
- BIOP
- Database of stolen and lost works managed by the Protection Directorate.
- Active alert
- Ongoing alert, the work not having been recovered.
- Suspicious work
- Object offered under conditions that raise doubt.
- Subscriber
- Person registered to receive alerts.
Limits and responsibilities
The system relies on the accuracy of the information provided. A deliberately false report engages the responsibility of its author, and the Organization may withdraw an alert if the documents no longer justify it.
Reporting a theft or loss is free of charge. The Organization nevertheless recommends filing a complaint with the national authorities, which strengthens the value of the alert.
Frequently asked questions
Are alerts paid?
No, consultation, subscription and reporting are free.
Who can report a theft?
The owner, their representative or a national authority.
Does an alert replace a complaint?
No, the two steps complement each other.
Where do I subscribe?
See Subscribe to alerts.
Useful documents
Contacts

Subscribe to alerts
Image credits (24)
- Saint Jerome and the Lion (From the former Church of St. Peter in Erfurt), Tilman Riemenschneider (c. 1495) — Cleveland Museum of Art, CC0 1.0
- Gathering among the Members of Office Censor-General (1700s) — Cleveland Museum of Art, CC0 1.0
- Portrait of a Couple (c. 1580–88) — Cleveland Museum of Art, CC0 1.0
- Corner Cabinet, René Dubois (c. 1765–1770) — Cleveland Museum of Art, CC0 1.0
- Sports on a Frozen River, Aert van der Neer (ca. 1660) — The Metropolitan Museum of Art, CC0 1.0
- Bidri Hookah Bowl with Roses (c. 1650s) — Cleveland Museum of Art, CC0 1.0
- Amitabha Triad (1400s) — Cleveland Museum of Art, CC0 1.0
- Lace Towel End (c. 1700s–1800s) — Cleveland Museum of Art, CC0 1.0
- Temple at Naveshera, Kashmir, India, Samuel Bourne (1864) — Cleveland Museum of Art, CC0 1.0
- Farmhouse on the Slope of a Hill, Fra Bartolommeo (c. 1508) — Cleveland Museum of Art, CC0 1.0
- Adoration of the Shepherds, Bernardo Cavallino (c. 1650) — Cleveland Museum of Art, CC0 1.0
- Hercules and the Hydra (late 1500s-early 1600s) — Cleveland Museum of Art, CC0 1.0
- The Four Seasons, Kano Tan’yū (1668) — Cleveland Museum of Art, CC0 1.0
- Egypt & Nubia, Volume III, No. 8: Mosque of Sultan Hassan, Cairo, Louis Haghe (1842–49) — Cleveland Museum of Art, CC0 1.0
- Portrait of a Man, Gustave Caillebotte (1880) — Cleveland Museum of Art, CC0 1.0
- Portrait of Isabella Brant, Peter Paul Rubens (c. 1620–25) — Cleveland Museum of Art, CC0 1.0
- Edge of the Woods Near L'Hermitage, Pontoise, Camille Pissarro (1879) — Cleveland Museum of Art, CC0 1.0
- Eighteen Views of Rome: The Piazza Farnese (recto), Lievin Cruyl (1664) — Cleveland Museum of Art, CC0 1.0
- Twilight in the Wilderness, Frederic Edwin Church (1860) — Cleveland Museum of Art, CC0 1.0
- Virgin and Child Enthroned with Saints Francis and Giovanni Gualberto, Benedetto Buglioni (c. 1510–20) — Cleveland Museum of Art, CC0 1.0
- Figure from a Crèche: Standing Mountain Goat (1780–1830) — Cleveland Museum of Art, CC0 1.0
- Boy with Anchor, Winslow Homer (1873) — Cleveland Museum of Art, CC0 1.0
- Châteauvieux-sur-Suran, Antoine-Claude Ponthus-Cinier (1848) — Cleveland Museum of Art, CC0 1.0
- Jonah Under the Gourd Vine (280–90 CE) — Cleveland Museum of Art, CC0 1.0
Cleveland Museum of Art · CC0 1.0


HomeOverview of OIMAP, online services, protection alerts, news, partners, newsletter and contact.›
Active alertsThe list of current BIOP alerts: how to read it, filter it and respond when an object is recognized.›
Alert archivesBIOP alerts closed since 2012: a useful memory for researchers, buyers and authorities.›
Subscribe to alertsReceive the BIOP alerts of your choice free of charge by e-mail: types, frequency, changes and unsubscription.›
ProtectionRecovering stolen works, fighting illicit trafficking and protecting heritage: the BIOP database, international cooperation, restitutions and guides for law enforcement.›