North Carolina allows employers to require applicants and employees to take drug tests, as long as the employer follows state procedures. Urine Drug Testing Laboratory And Owner Agree To Resolve False Claims Act Allegations.All state-mandated tests have a designated test date or testing window. The testing window is outlined in the North Carolina Operational Testing Calendar,. A social worker conducting a CPS assessment can legally ask a parent or caretaker suspected of substance abuse to consent to a urine screen. We have thousands of North Carolina drug testing locations. However, you realize USA Mobile Drug Testing will come to you, right? We want to help you avoid jail time due to a breath sample that is in question. In North Carolina, you are allowed to decline SFSTs. Your driver's license won't automatically be suspended for not taking any tests at the roadside.