Is it possible to just withdraw your application upon receipt of a 'proposed DQ' letter? Now your'e probably wondering why would I want to do that.You must bring all admission letters for all exams with you to your test site. Application of Legal Standard. You must provide a copy of your driver's license. The request is then given to an investigator for approval of release. Substance Abuse Treatment (CSAT), part of the Substance Abuse and.