Preliminary stage

Once a subject has been included in UNIDROIT's Work Programme, the Secretariat is responsible for preparing a feasibility study and a preliminary comparative law analysis to evaluate the relevance and feasibility of the proposed reform. This study will be presented to the Governing Council for review, and if considered appropriate, a committee will be established to draft a preliminary project for a convention or other legal instruments.

Intergovernmental negotiation stage

A preliminary draft instrument prepared by the study group is presented to the Governing Council for approval and guidance on the next steps. If it is a preliminary draft Convention, the Council usually requests the Secretariat to form a committee of governmental experts to finalize a draft Convention for submission to a Diplomatic Conference. If an alternative to a preliminary draft Convention is deemed unsuitable for the committee, the Council authorizes its publication and dissemination by UNIDROIT.

Participation in UNIDROIT committees is open to representatives of all Member States, and additional States, international organizations, and professional associations may be invited as observers. The finalized draft Convention by the committee is submitted to the Governing Council for approval. If it reflects a consensus among the participating States and has a good chance of adoption at a Diplomatic Conference, the Council authorizes its transmission to the Conference. The Diplomatic Conference, convened by a UNIDROIT Member State, adopts the draft Convention as an international Convention.

Co-operation with other international organisations

UNIDROIT maintains cooperative relationships with various international organizations, both intergovernmental and non-governmental, through cooperation agreements at the inter-Secretariat level. The Hague Conference on Private International Law, UNIDROIT, and the United Nations Commission on International Trade Law (UNCITRAL), known as "the three sisters," are the primary private-law formulating agencies. UNIDROIT's expertise in the international unification of law also leads to commissioned work for other organizations, including comparative law studies and drafting Conventions that serve as the foundation for international instruments in those organizations.

Network of correspondents

In order to fulfill its statutory objectives, UNIDROIT recognizes the critical importance of having access to current and comprehensive legal information from diverse jurisdictions. However, obtaining such information can be challenging. Therefore, UNIDROIT establishes and maintains a network of correspondents comprising academic and practicing lawyers from both Member and non-Member States. These correspondents are appointed by the Governing Council and serve as valuable sources of legal knowledge, enabling UNIDROIT to stay informed about the state of the law in different countries.

Conventions

Unidroit has over the years prepared the following international Conventions, drawn up by Unidroit and adopted by diplomatic Conferences convened by member States of Unidroit:^[1]

• Convention relating to a Uniform Law on the International Sale of Goods (The Hague, 1964)^[2]
• Convention relating to a Uniform Law on the Formation of Contracts for the International Sale of Goods (The Hague, 1964)^[3]
• International Convention on Travel Contracts (Brussels, 1970)^[4]
• Convention providing a Uniform Law on the Form of an International Will (Washington, D.C., 1973)^[5]
• Convention on Agency in the International Sale of Goods (Geneva, 1983)^[6]
• UNIDROIT Convention on International Financial Leasing (Ottawa, 1988)^[7]
• UNIDROIT Convention on International Factoring (Ottawa, 1988)^[8]
• UNIDROIT Convention on Stolen or Illegally Exported Cultural Objects (Rome, 1995)

• Convention on International Interests in Mobile Equipment (Cape Town, 2001)
  • Protocol on Aircraft (2001)^[9]
  • Protocol on Railway Rolling Stock (2007)^[10]
  • Protocol on Space Assets (2012)^[11]
  • Protocol on Matters Specific to mining, Agricultural and Construction Equipment (2019)^[12]

• Geneva Securities Convention (Geneva, 2009)

UNIDROIT is depositary of two of its conventions: the Cape Town Convention (including its four protocols) as well as the Geneva Securities Convention.

For many years UNIDROIT prepared the background studies for international conventions that were subsequently finalized by other international organisations. To be noted among these, are the Convention on the Contract for the International Carriage of Goods by Road (CMR), finalized by the UN Economic Commission for Europe in 1956, and the United Nations Convention on the Liability of Operators of Transport Terminals in International Trade finalized by UNCITRAL in 1991.

Soft law

The institute has prepared non-binding rules to serve as a source of inspiration for members of the international community, such as model laws, principles and legal and contractual guides.

• the UNIDROIT Principles of International Commercial Contracts (1994, 2004, 2010 and 2016)^[13]
• the ALI / UNIDROIT Principles of Transnational Civil Procedure (in co-operation with the American Law Institute) (2004)^[14]
• the 2011 Model Provisions on State Ownership of Undiscovered Cultural Objects (in co-operation with UNESCO)^[15]
• the Principles on the Operation of Close-Out Netting Provisions (2013)^[16]
• the UNIDROIT/FAO/IFAD Legal Guide on Contract Farming (2015)^[17]
• the ELI/UNIDROIT Model European Rules of Civil Procedure (2020)^[18]
• UNIDROIT/ IFAD Legal Guide on agricultural land investment contracts (2021)^[19]