These guidelines focus on the aplication of Article 6(1)(b) of the GDPR in the context of online services. The analysis covers general observations, the interaction of Article 6(1)(b) with other lawful bases for processing, the specific scope of Article 6(1)(b), the concept of necessity, and its application to the performance of a contract and steps taken prior to entering into a contract. The final part discusses the applicability of Article 6(1)(b) in specific situations such as processing for service improvement, fraud prevention, online behavioral advertising, and content personalization.
Author: European Data Protection Board
Status: Adopted / Published
Adoption date: 2019-10-16
Last updated: 08 Aug 2025
Category: Guidance
Subcategory: Official guidance