ANNEX IICONFORMITY OF IN-SERVICE ENGINES OR VEHICLES

8.CONFIRMATORY VEHICLE TESTING

8.1.

Confirmatory testing is done for the purpose of confirmation of the in-service emission functionality of an engine family.

8.2.

Approval authorities may conduct confirmatory testing.

8.3.

The confirmatory test shall be performed as vehicle testing as specified in points 2.1 and 2.2. Representative vehicles shall be selected and used under normal conditions and be tested according to the procedures defined in this Annex.

8.4.

A test result may be regarded as non-satisfactory when, from tests of two or more vehicles representing the same engine family, for any regulated pollutant component, the limit value as determined according to Section 6 is exceeded significantly.