1. Articles 18 and 20 shall apply to sales contracts. Those Articles shall not apply to contracts for the supply of water, gas or electricity, where they are not put up for sale in a limited volume or set quantity, of district heating or the supply of digital content which is not supplied on a tangible medium.

2. Articles 19, 21 and 22 shall apply to sales and service contracts and to contracts for the supply of water, gas, electricity, district heating or digital content.