This standard BS ISO 4008-3:1987 Road vehicles. Fuel injection pump testing is classified in these ICS categories:
43.060.40 Fuel systems
This part of ISO 4008 defines conditions, in addition to those contained in parts 1 and 2, which are mandatory to the performance of fuel injection pump tests in conformity with the International Standard as a whole. Reference is also made to non-mandatory but desirable conditions.