Decline to Test 3. An AE must not carryout an MOT test on a vehicle if it is of a class or type of vehicle which they are not authorised to test, or a type of test they are not authorised to carryout. If the presenter asks for the reason in writing a CT maybe completed and given to the presenter. Refusal to Test 4. Where an AE intends to refuse to test a vehicle the vehicle presenter must told straightaway of any such circumstances, pointing out that consequently the test cannot be carried out. No fee maybe charged fora test refused in these circumstances. If the presenter asks for the reason in writing, the vehicle must be registered via the MOT Testing Service and a VT produced giving the reasons. Refer to the relevant MOT Inspection Manual, Introduction, for details of reasons for refusal to test. 5.