3.1 Introduction to EASA and the aviation system
3.2 AMC & GM
3.3 The European rules
3.4 Subcategories
3.5 Operator registration
3.6 Responsibilities of an operator
3.7 Responsibilities of the pilot
3.8 Reporting aviation incidents
3.9 Summary
Anyone flying an UAS that weighs more than 250 grams or is equipped with a camera will be regarded as an operator. All operators must be registered with the relevant authority. In order to register as an operator, you must meet several requirements and follow a fixed procedure.
See chapter 3.9 for a summary.