6. Commission Decision (EU) 2021/2147 of 3 December 2021 on the approval of civil aviation security equipment with ‘EU Stamp’ marking - European Air Law View the chapter 6. Commission Decision (EU) 2021/2147 of 3 December 2021 on the approval of civil aviation security equipment with ‘EU Stamp’ marking by - European Air Law 6. Commission Decision (EU) 2021/2147 of 3 December 2021 on the approval of civil aviation security equipment with ‘EU Stamp’ marking