According to the current rules, a Part-66 licence is required for:
- certifying the release to service of maintenance of an aircraft;
- work in maintenance organisations as support staff.
For other activities within a maintenance organisation, a Part-66 licence is not required. No Part-66 licence exists for components (based on article 5 of Commission Regulation (EU) No. 2018/1142).
Remark: Privileges on the basis of national requirements may be added in the Part-66 licence in section XIV. national privileges.