If you are already subscribed to the DBS Update Service you will not need a new certificate, as long as your existing subscription includes a certificate that has the appropriate barred lists and workforce (child and/or adult). Please email email@example.com if you are subscribed to the Update Service and do not need a new disclosure.
Applicants not currently subscribed to the Update Service can do so after they submit their application. However, you must do so within 30 days of the date of issue of your certificate.
More information on the Update Service can be found on the DBS website.