2019-20 Covid Mitigation Information about ‘No Detriment’ and other mitigations for exams and assessments taken in 2019-20. No Detriment Classification 2019/20 UCL’s ‘no detriment’ package for the 2019-20 academic session. Extraordinary Extenuating Circumstances Procedure 2019-20 UCL’s self-certification policy for the 2020-21 academic session.