DFI/2022-0198: Freedom of Information Act 2000 request for details of all "tint tests" conducted during MOT tests, 01 April 2021-17 June 2022, by Test Centre, including: 1) the number carried out; 2) the number of cars that failed the "tint test"; 3) the number of the vehicles failing the MOT solely on the test; 4) the criteria for carrying out the test; 5) the reason the test is discretionary; & 6) why the measurement is not recorded on the notice of refusal.