Division 2 PROCEDURE FOR IN-SERVICE CONFORMITY United Kingdom Original text. Later amendments are not shown. 2.1Division 2.1 2.2Division 2.2 2.3Division 2.3 2.4Division 2.4 2.5Division 2.5 2.6Division 2.6 2.7Dual-fuel engines or vehicles ← Division 1.1 Division 2 Division 2.1 →