States with more than one legal system
Article 22
1. Where a State comprises several territorial units, each of which has its own rules of law in respect of contractual obligations, each territorial unit shall be considered as a country for the purposes of identifying the law applicable under this Regulation. 2. A Member State where different territorial units have their own rules of law in respect of contractual obligations shall not be required to apply this Regulation to conflicts solely between the laws of such units.