Ch.1 General Provisions, General Provisions I: Arts 1.1–1.3—Fundamental principles, Art.1.1
This commentary focuses on Article 1.1, which deals with freedom of contract, the most important fundamental principle of contract law for contracts governed by the UNIDROIT Principles of International Commercial Contracts (PICC). Art 1.1 restates a general principle of law in the technical sense; that is, a principle common to the laws of all — or at least most — jurisdictions in the world. All modern contract laws recognize freedom of contract, albeit for different reasons and to varying degrees. Art 1.1 covers two aspects of contractual freedom: the first is the freedom to decide whether to conclude a contract at all, and with whom; the second is the freedom to contract on the terms desired by the parties. Limitations of the freedom to determine the content of the contract follow from mandatory rules of the PICC.