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)