MOT testers must complete their Annual DVSA Assessment by the 31st of March each year. This deadline is crucial to maintain their qualification as MOT testers and ensure that they remain competent and up-to-date with the latest regulations and standards in the field.

Failing to complete the assessment by this date will result in a loss of qualification and the ability to conduct MOT tests. It is essential for MOT testers to meet this annual deadline to retain their qualification and uphold the safety & reliability of MOT testing in the United Kingdom.