Drug and Alcohol Testing

If you employ commercial truck or bus drivers, you must submit the name(s) of all employees or applicants to the SCDMV who do any of the following:

• Refuse to provide a specimen for a drug or alcohol test
• Test positive during a drug or alcohol test
• Submit an altered, diluted or substituted specimen

You must report the employee using the Results of CDL Drug or Alcohol Testing (SCDMV Form CDL-18) within three business days.

See our Frequently Asked Questions page for more information that employers of commercial truck and bus driver should know.

SC Code Sections 23-3-430;23-3-460; 56-1-2030
Federal Motor Carrier Safety Administration (FMCSA) Regulation 49 CFR Parts 391; 391.42; 383.25; 383.25 (E)