Web-Companion "Essential EU Law in Charts" 4th ed 2018

Update | p. 029
The box in the 6th row at the end on the left hand side entitled “The area of freedom, security and justice (AFSJ): generally” must read:
The area of freedom, security and justice (AFSJ): generally
_ Ireland and Denmark enjoy opt out/ opt in systems; Protocols No 21 and 22
See Chart 7/6