Please note that as of 23rd May 2022, the paper version of the DP certificate will no longer be sent via email once your certificate has been issued. This was a measure put into place because of the Covid-19 Pandemic, as NI staff were processing applications remotely and documents were delayed in being returned. All issued certificates are currently returned the following week.
If you would like to check your certificate number, this can be found on the automated email that you receive after your certificate has been issued and will also include the validity dates.
If you are revalidating, the certificate number will remain the same, only the validity dates will change.
Jenny Daintree