THIS WEBSITE IS ONLY FOR THOSE PERSONS WHO TEST AT THE CHEROKEE COUNTY PROBATION OFFICE.If you test at the Cherokee County drug Lab, do NOT LOG IN. Drug Test Check-in Participant Id Birth Date Probationers should use this site to check whether or not they must report for a drug test. This is a restricted website for official CHEROKEE PROBATION SERVICES business only. Unauthorized use of this site is subject to prosecution. All activities and access attempts are monitored and reported.