The Principles of International Commercial Contracts 2016 (most frequently referred to as the UNIDROIT Principles and often also referred to as PICC) is a set of 211 rules for international contracts. They have been drawn up since 1984 by an international working group of the inter-governmental organization UNIDROIT, and they were ratified by its Council representing 64 governments of member states.

As soft law, these principles help harmonize international commercial