Pages in this section
The 23 founding countriesThe twenty-three States that signed the 2007 treaty, their distribution and their role in building the Organization.›
Key dates of OIMAPThe chronology of the Organization's major moments, from the 2007 treaty to the 19th General Assembly in 2026.›
OIMAP ArchivesThe Organization's archives: founding texts, reports, speeches and historical documents, with consultation procedures.›
From 23 to 67 States

OIMAP was founded in 2007 by twenty-three States that wanted to give the art and heritage market common rules. It now has 67 members and is preparing its 19th General Assembly in Singapore.
This section presents the founding States, the key dates and the archives of the Organization.
History of OIMAP since 2007 in figures
Source: OIMAP General Secretariat.
Three pages



Why OIMAP was created
In the early 2000s, the circulation of works was accelerating, but rules remained scattered across States. Trafficking in cultural property, forgeries and provenance disputes undermined the confidence of buyers and communities of origin alike.
Twenty-three States decided to build a common framework, based on existing conventions, and to create an organization capable of producing shared data, standards and services.
Building step by step
The Organization was built in successive layers. After the signing of the treaty, it created its Academy in 2008, opened the Desk in 2010, then launched the BIOP database in 2012. Each tool answered a need expressed by the States.
This progression explains the current structure: a stable treaty, specialised directorates and online services that evolve faster than the texts.
The texts that changed practice
Two texts marked recent history: the Certification Guidelines of 2015, then the OIMAP Guidelines of 2019, seven in number, including No. 2019-07 on the authentication of cultural property. They harmonised the practices of Member States.
These texts rely on the 1954 Hague Protocol, the 1970 UNESCO Convention and the 1995 UNIDROIT Convention, which remain the legal foundation of the action.
Continuous expansion
From twenty-three members in 2007, the Organization grew to sixty-seven in 2024. New memberships followed the creation of the regional offices, which facilitated dialogue with the States of Asia-Pacific, Africa and the Americas.
This expansion made the Organization more representative and more demanding: procedures had to adapt to very diverse legal systems.
Major milestones
| Period | Event | Effect |
|---|---|---|
| 2007 | Founding treaty | Birth of the Organization |
| 2010 | Launch of the Desk | Online services |
| 2012 | BIOP database | Alerts on stolen works |
| 2019 | OIMAP Directives | Seven binding standards |
| 2021 | Digital certification | Verifiable certificates |
Milestones
- Founding treaty
Twenty-three States sign in Paris.
- Academy
Creation of the OIMAP Academy.
- BIOP
Opening of the stolen works database.
- Singapore
19th General Assembly, 10–12 June.



A history in two phases

The founding years
2007 to 2015- Treaty and bodies
- Academy and Desk
- BIOP database
Building the tools.

The consolidation years
2016 to 2026- Binding Guidelines
- Digital certification
- Expansion to 67 States
Expand and modernise.
Explore the history of the Organization
- Read about the founders
Identify the twenty-three pioneering States.
- Follow the timeline
Find the key dates.
- Consult the archives
Find texts and reports.
- Compare with today
Relate it to the key figures.
What history teaches us
A former founding delegate

« In 2007, we had a treaty of a few pages and the certainty that the rest would be built by working together. »
Glossary
- Founding State
- State that signed the 2007 treaty.
- Accession
- Procedure by which a State becomes a member.
- Guideline
- Binding standard adopted by the Assembly.
- Archives
- Documents preserved for the memory of the Organization.
Frequently asked questions
When was OIMAP founded?
In 2007, by twenty-three States.
How many members today?
Sixty-seven States.
Where can I see the list of founders?
Where can I read the older texts?
See Archives.
Useful documents
Contacts

See the key dates
Image credits (24)
- Leaf from a Psalter and Prayerbook: Calendar Page with Labors (recto) and Calendar Page with Peasant (verso) (c. 1524) — Cleveland Museum of Art, CC0 1.0
- A Manuscript of Five Sections of a Qur'an (18th century) — The Metropolitan Museum of Art, CC0 1.0
- Qur'an Manuscript Folio (800s) — Cleveland Museum of Art, CC0 1.0
- Illuminated Opening Page Titled Laila and Majnun from a Khamsa (Quintet) of Nizami of Ganja, Ja'far Baisunghuri (835 AH/1431–32 CE) — The Metropolitan Museum of Art, CC0 1.0
- Boy with Cigar (c. 1855) — Cleveland Museum of Art, CC0 1.0
- Miniature from a Manuscript of the Apocalypse: The War in Heaven (c. 1295) — Cleveland Museum of Art, CC0 1.0
- A Palace with an Arched Bridge (A Roman Villa), Hubert Robert (1760) — Cleveland Museum of Art, CC0 1.0
- Leaf from a Missal: The Crucifixion (recto) and Text (verso) (c. 1330–40) — Cleveland Museum of Art, CC0 1.0
- Nowshera, Kashmir (number 1000), Samuel Bourne (1864) — Cleveland Museum of Art, CC0 1.0
- St. Catherine of Siena and the Beggar, Giovanni di Paolo (1460s) — Cleveland Museum of Art, CC0 1.0
- Temple of Ramesses II, Abu Simbel, Antonio Beato (c. 1860s) — Cleveland Museum of Art, CC0 1.0
- La Belle Jardinère: le magasin de la rue de la Cité pendant sa demolition, Paris, Charles Marville (1864–66) — Cleveland Museum of Art, CC0 1.0
- Qur'an Manuscript Folio (recto; verso); Left side of Bifolio (800s) — Cleveland Museum of Art, CC0 1.0
- Eighteen Views of Rome: The Piazza Farnese (recto); Cartouche (verso), Lievin Cruyl (1664) — Cleveland Museum of Art, CC0 1.0
- Missale: Fol. 185v: Crucifixion with borders (full page), Bartolommeo Caporali (1469) — Cleveland Museum of Art, CC0 1.0
- Kenilworth Castle, Warwickshire, England, Adolphe Braun (c. 1870s) — Cleveland Museum of Art, CC0 1.0
- Hours of Queen Isabella the Catholic, Queen of Spain, Master of the First Prayerbook of Maximillian (c. 1500) — Cleveland Museum of Art, CC0 1.0
- Châteauvieux-sur-Suran, Antoine-Claude Ponthus-Cinier (1848) — Cleveland Museum of Art, CC0 1.0
- Twilight in the Wilderness, Frederic Edwin Church (1860) — Cleveland Museum of Art, CC0 1.0
- Left side of a double-page album folio: Outside a Royal Encampment (recto) and Calligraphy, Persian Verses (verso), Bihzad (c. 1485) — Cleveland Museum of Art, CC0 1.0
- Portrait of a Naval Officer, Lai Fong (1870s) — Cleveland Museum of Art, CC0 1.0
- Hoyshaleshvara Temple Sculpture, Halebidu (Halebeedu), Richard Banner Oakeley (1856–57) — Cleveland Museum of Art, CC0 1.0
- View of Venice, Jacopo de' Barbari (1500) — Cleveland Museum of Art, CC0 1.0
- Roman Ruins, Villa Pamfili, Hubert Robert (1774) — 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.›
The 23 founding countriesThe twenty-three States that signed the 2007 treaty, their distribution and their role in building the Organization.›
Key dates of OIMAPThe chronology of the Organization's major moments, from the 2007 treaty to the 19th General Assembly in 2026.›
OIMAP ArchivesThe Organization's archives: founding texts, reports, speeches and historical documents, with consultation procedures.›
Member States67 Member States on five continents: list, regions, membership, focal points, finances, expert network, technical cooperation and member area.›