Have you ever wondered why the DOT Custody and Control form (CCF), doesn’t list “re-certification” as a reason to perform DOT drug testing? This is a good question. It is a common practice for some companies to request a DOT drug test at the same time a CDL driver is scheduled for a DOT Re-certification Physical. When confronted with this request, the tendency is for specimen collectors to mark the “Other” box on the Federal CCF and write in “Re-Cert” as the reason for the drug test. This practice creates a couple of issues: