Annex IV Calculation of the en route service units and unit ratesF1 United Kingdom Repealed Original text. Later amendments are not shown. 1Calculation of en route service units 2Calculation of en route unit rates Annotations Textual amendments F1 Repealed by Commission Implementing Regulation (EU) No 391/2013 of 3 May 2013 laying down a common charging scheme for air navigation services (Text with EEA relevance). ← Division 2 Annex IV Division 1 →