Examiners send in the information (well some do) and it is filed an a personal record. Unless that record is taken out and examined the information is not readily available.
The licensing computer contains details of ratings held but not necessarily revalidations.
Quite often a rating does not disappear after 5 years!
If you were renewing a rating that had expired by more than 5 years, they would look at the record.
All the result of a mixture of disjointed and incomplete IT projects over 10 years.