@Bix0n No complete 4D plate has been tested to the British Standard – they don’t fit in the testing machine. No test, no pass. Post navigation @Bix0n No complete 4D plate has been tested to the British Standard – they don’t fit in the testing machine. No test, no pass. @dca860 @sc6601 If the illegal tyre is on a steered axle then a PG9 would be issued, preventing the vehicle from continuing.