Article 9 of the Agreement on Rules of Origin sets out the following principles or objectives for the harmonious application of rules of origin:
- Be objective, understandable and predictable: this means that their provisions should be objective and understandable to users and that their application should not subject multiple interpretation;
- Not be used as instruments to pursue trade objectives either directly or indirectly. This means that they should not create restrictive, disruptive effects on international trade.
- Be administered in a consistent, uniform, impartial and reasonable manner
- Be coherent;
- Be based on positive standards. This means that they should state what confers origin and not what does not confer origin.